reflect

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[Overview](#Overview) / [Examples](#Examples) / [API](#API) / [FAQ](#FAQ)

## REFLECT: C++20 Static Reflection library

[![MIT Licence](http://img.shields.io/badge/license-MIT-blue.svg)](https://opensource.org/license/mit)
[![Version](https://img.shields.io/github/v/release/qlibs/reflect)](https://github.com/qlibs/reflect/releases)
[![Build](https://img.shields.io/badge/build-green.svg)](https://godbolt.org/z/zvooxGPP9)
[![Try it online](https://img.shields.io/badge/try%20it-online-blue.svg)](https://godbolt.org/z/oYhh1hfeo)

  > https://en.wikipedia.org/wiki/Reflective_programming

### Features

- Single header (https://raw.githubusercontent.com/qlibs/reflect/main/reflect - for integration see [FAQ](#faq))
- Minimal [API](#api)
- Verifies itself upon include (can be disabled with `-DNTEST` - see [FAQ](#faq))
    - Basically guarantees no UB, no memory leaks*
- Compiles cleanly with ([`-fno-exceptions -fno-rtti -Wall -Wextra -Werror -pedantic -pedantic-errors | /W4 /WX`](https://godbolt.org/z/M747ocGfx))
- Agnostic to compiler changes (no ifdefs for the compiler specific implementations - see [FAQ](#faq))
- Optimized run-time execution and binary size (see [performance](#perf))
- Fast compilation times (see [compilation times](#comp))

### Requirements

- C++20 ([gcc-12+, clang-15+, msvc-19.36+](https://godbolt.org/z/xPc19Moef))

---

### Overview

> Hello world (https://godbolt.org/z/oYhh1hfeo)

```cpp
#include <reflect>

enum E { A, B };
struct foo { int a; E b; };

constexpr auto f = foo{.a = 42, .b = B};

// reflect::size
static_assert(2 == reflect::size(f));

// reflect::type_id
static_assert(reflect::type_id(f.a) != reflect::type_id(f.b));

// reflect::type_name
static_assert("foo"sv == reflect::type_name(f));
static_assert("int"sv == reflect::type_name(f.a));
static_assert("E"sv   == reflect::type_name(f.b));

// reflect::enum_name
static_assert("B"sv == reflect::enum_name(f.b));

// reflect::member_name
static_assert("a"sv == reflect::member_name<0>(f));
static_assert("b"sv == reflect::member_name<1>(f));

// reflect::get
static_assert(42 == reflect::get<0>(f)); // by index
static_assert(B  == reflect::get<1>(f));

static_assert(42 == reflect::get<"a">(f)); // by name
static_assert(B  == reflect::get<"b">(f));

// reflect::to
constexpr auto t = reflect::to<std::tuple>(f);
static_assert(42 == std::get<0>(t));
static_assert(B  == std::get<1>(t));

int main() {
  reflect::for_each([](auto I) {
    std::print("{}.{}:{}={} ({}/{}/{})\n",
        reflect::type_name(f),                  // foo, foo
        reflect::member_name<I>(f),             // a  , b
        reflect::type_name(reflect::get<I>(f)), // int, E
        reflect::get<I>(f),                     // 42 , B
        reflect::size_of<I>(f),                 // 4  , 4
        reflect::align_of<I>(f),                // 4  , 4
        reflect::offset_of<I>(f));              // 0  , 4
  }, f);
}

// and more (see API)...
```

---

### Examples

- [feature] Opt-in mixins - https://godbolt.org/z/sj7fYKoc3
- [feature] Meta-programming (https://github.com/qlibs/mp) - https://godbolt.org/z/ds3KMGhqP
- [future] Structured Bindings can introduce a Pack (https://wg21.link/P1061) - https://godbolt.org/z/Ga3bc3KKW
- [performance] Minimal Perfect Hashing based `enum_name` (https://github.com/qlibs/mph) - https://godbolt.org/z/WM155vTfv

---

<a name="perf"></a>
### Performance

> Binary size (https://godbolt.org/z/7TbobjWfj)

```cpp
struct foo { int bar; };
auto type_name(const foo& f) { return reflect::type_name(f); }
```

```asm
type_name(foo const&): // $CXX -O3 -DNDEBUG
  lea rdx, [rip + type_name<foo>]
  mov eax, 3
  ret

type_name<foo>
  .ascii  "foo"
```

```cpp
struct foo { int bar; };
auto member_name(const foo& f) { return reflect::member_name<0>(f); }
```

```asm
member_name(foo const&): // $CXX -O3 -DNDEBUG
  lea rdx, [rip + member_name<0ul, foo>]
  mov eax, 3
  ret

member_name<0ul, foo>
  .ascii  "bar"
```

```cpp
enum class E { A, B, };
auto enum_name(const E e) { return reflect::enum_name(e); }
```

```asm
enum_name(E): // $CXX -O3 -DNDEBUG (generates switch)
  xor     eax, eax
  xor     ecx, ecx
  cmp     edi, 1
  sete    cl
  lea     rdx, [rip + enum_name<0>]
  cmove   rax, rdx
  test    edi, edi
  lea     rdx, [rip + enum_name<1>]
  cmovne  rdx, rax
  mov     eax, 1
  cmovne  rax, rcx
  ret

enum_name<0ul>:
  .ascii  "A"

enum_name<1ul>:
  .ascii  "B"
```

<a name="comp"></a>
### Compilation times

> [include] https://raw.githubusercontent.com/qlibs/reflect/main/reflect

```cpp
time g++-13.2 -x c++ -std=c++20 reflect -c -DNTEST   # 0.113s
time g++-13.2 -x c++ -std=c++20 reflect -c           # 0.253s
```

```cpp
time clang++-17 -x c++ -std=c++20 reflect -c -DNTEST # 0.119s
time clang++-17 -x c++ -std=c++20 reflect -c         # 0.322s
```

---

### API

```cpp
template <class Fn, class T> requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr auto visit(Fn&& fn, T&& t) noexcept;
```

```cpp
struct foo { int a; int b; };
static_assert(2 == visit([](auto&&... args) { return sizeof...(args); }, foo{}));
```

```cpp
template<class T> requires std::is_aggregate_v<T>
[[nodiscard]] constexpr auto size() -> std::size_t;

template<class T> requires std::is_aggregate_v<T>
[[nodiscard]] constexpr auto size(const T&) -> std::size_t;
```

```cpp
struct foo { int a; int b; } f;
static_assert(2 == size<foo>());
static_assert(2 == size(f));
```

```cpp
template <class T> [[nodiscard]] constexpr auto type_name() noexcept;
template <class T> [[nodiscard]] constexpr auto type_name(const T&) noexcept;
```

```cpp
struct foo { int a; int b; };
static_assert(std::string_view{"foo"} == type_name<foo>());
static_assert(std::string_view{"foo"} == type_name(foo{}));
```

```cpp
template <class T> [[nodiscard]] constexpr auto type_id() noexcept;
template <class T> [[nodiscard]] constexpr auto type_id(T&&) noexcept;
```

```cpp
struct foo { };
struct bar { };
static_assert(type_id(foo{}) == type_id(foo{}));
static_assert(type_id(bar{}) != type_id<foo>());
```

```cpp
template<class E>
[[nodiscard]] constexpr auto to_underlying(const E e) noexcept;

template<class E> requires std::is_enum_v<E>
consteval auto enum_min(const E = {}) { return REFLECT_ENUM_MIN; }

template<class E> requires std::is_enum_v<E>
consteval auto enum_max(const E = {}) { return REFLECT_ENUM_MAX; }

template<class E,
         fixed_string unknown = "",
         auto Min = enum_min(E{}),
         auto Max = enum_max(E{})>
  requires (std::is_enum_v<E> and Max > Min)
[[nodiscard]] constexpr auto enum_name(const E e) noexcept -> std::string_view {
```

```cpp
enum class Enum { foo = 1, bar = 2 };
static_assert(std::string_view{"foo"} == enum_name(Enum::foo));
static_assert(std::string_view{"bar"} == enum_name(Enum::bar));
```

```cpp
enum class Enum { foo = 1, bar = 1024 };
consteval auto enum_min(Enum) { return Enum::foo; }
consteval auto enum_max(Enum) { return Enum::bar; }

static_assert(std::string_view{"foo"} == enum_name(Enum::foo));
static_assert(std::string_view{"bar"} == enum_name(Enum::bar));
```

```cpp
template <std::size_t N, class T>
  requires (std::is_aggregate_v<T> and N < size<T>())
[[nodiscard]] constexpr auto member_name(const T& = {}) noexcept;
```

```cpp
struct foo { int a; int b; };
static_assert(std::string_view{"a"} == member_name<0, foo>());
static_assert(std::string_view{"a"} == member_name<0>(foo{}));
static_assert(std::string_view{"b"} == member_name<1, foo>());
static_assert(std::string_view{"b"} == member_name<1>(foo{}));
```

```cpp
template<std::size_t N, class T>
  requires (std::is_aggregate_v<std::remove_cvref_t<T>> and
            N < size<std::remove_cvref_t<T>>())
[[nodiscard]] constexpr decltype(auto) get(T&& t) noexcept;
```

```cpp
struct foo { int a; bool b; };
constexpr auto f = foo{.i=42, .b=true};
static_assert(42 == get<0>(f));
static_assert(true == get<1>(f));
```

```cpp
template <class T, fixed_string Name> requires std::is_aggregate_v<T>
concept has_member_name = /*unspecified*/
```

```cpp
struct foo { int a; int b; };
static_assert(has_member_name<foo, "a">);
static_assert(has_member_name<foo, "b">);
static_assert(not has_member_name<foo, "c">);
```

```cpp
template<fixed_string Name, class T> requires has_member_name<T, Name>
constexpr decltype(auto) get(T&& t) noexcept;
```

```cpp
struct foo { int a; int b; };
constexpr auto f = foo{.i=42, .b=true};
static_assert(42 == get<"a">(f));
static_assert(true == get<"b">(f));
```

```cpp
template<fixed_string... Members, class TSrc, class TDst>
  requires (std::is_aggregate_v<TSrc> and std::is_aggregate_v<TDst>)
constexpr auto copy(const TSrc& src, TDst& dst) noexcept -> void;
```

```cpp
struct foo { int a; int b; };
struct bar { int a{}; int b{}; };

bar b{};
foo f{};

copy(f, b);
assert(b.a == f.a);
assert(b.b == f.b);

copy<"a">(f, b);
assert(b.a == f.a);
assert(0 == b.b);
```

```cpp
template<template<class...> class R, class T>
  requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr auto to(T&& t) noexcept;
```

```cpp
struct foo { int a; int b; };

constexpr auto t = to<std::tuple>(foo{.a=4, .b=2});
static_assert(4 == std::get<0>(t));
static_assert(2 == std::get<1>(t));

auto f = foo{.a=4, .b=2};
auto t = to<std::tuple>(f);
std::get<0>(t) *= 10;
f.b = 42;
assert(40 == std::get<0>(t) and 40 == f.a);
assert(42 == std::get<1>(t) and 42 == f.b);
```

```cpp
template<class R, class T>
[[nodiscard]] constexpr auto to(T&& t);
```

```cpp
struct foo { int a; int b; };
struct baz { int a{}; int c{}; };

const auto b = to<baz>(foo{.a=4, .b=2});
assert(4 == b.a and 0 == b.c);
```

```cpp
template<std::size_t N, class T> requires std::is_aggregate_v<T>
[[nodiscard]] constexpr auto size_of() -> std::size_t;

template<std::size_t N, class T> requires std::is_aggregate_v<T>
[[nodiscard]] constexpr auto size_of(T&&) -> std::size_t;

template<std::size_t N, class T> requires std::is_aggregate_v<T>
[[nodiscard]] constexpr auto align_of() -> std::size_t;

template<std::size_t N, class T> requires std::is_aggregate_v<T>
[[nodiscard]] constexpr auto align_of(T&&) -> std::size_t;

template<std::size_t N, class T> requires std::is_aggregate_v<T>
[[nodiscard]] constexpr auto offset_of() -> std::size_t;

template<std::size_t N, class T> requires std::is_aggregate_v<T>
[[nodiscard]] constexpr auto offset_of(T&&) -> std::size_t;
```

```cpp
struct foo { int a; bool b; };

static_assert(4 == size_of<0, foo>());
static_assert(1 == size_of<1, foo>());
static_assert(4 == align_of<0, foo>());
static_assert(1 == align_of<1, foo>());
static_assert(0 == offset_of<0, foo>());
static_assert(4 == offset_of<1, foo>());
```

```cpp
template<class T, class Fn>
  requires std::is_aggregate_v<std::remove_cvref_t<T>>
constexpr auto for_each(Fn&& fn) -> void;

template<class Fn, class T>
  requires std::is_aggregate_v<std::remove_cvref_t<T>>
constexpr auto for_each(Fn&& fn, T&& t) -> void;
```

```cpp
struct { int a; int b; } f;

reflect::for_each([&f](const auto I) {
  std::print("{}:{}={}", member_name<I>(f), get<I>(f)); // prints a:int=4, b:int=2
}, f);
```

> Configuration

```cpp
#define REFLECT_ENUM_MIN 0      // Min size for enum name (can be overridden)
                                // For example: `-DREFLECT_ENUM_MIN=-1`
#define REFLECT_ENUM_MAX 128    // Max size for enum name (can be overridden)
                                // For example: `-DREFLECT_ENUM_MAX=32`
```

---

### FAQ

- How does `reflect` compare to https://wg21.link/P2996?

    > `reflect` library only provides basic reflection primitives, mostly via hacks and workarounds to deal with lack of the reflection.
    https://wg21.link/P2996 is a language proposal with many more features and capabilities.

- How does `reflect` work under the hood?

    > There are many different ways to implement reflection. `reflect` uses C++20's structure bindings, concepts and source_location to do it. See `visit` implementation for more details.

- How can `reflect` be agnostic to compiler changes?

    > `reflect` precomputes required prefixes/postfixes to find required names from the `source_location::function_name()` output for each compiler upon inclusion.
    Any compiler change will end up with new prefixes/postfixes and wont require additional maintenance.

- What does it mean that `reflect` tests itself upon include?

    > `reflect` runs all tests (via static_asserts) upon include. If the include compiles it means all tests are passing and the library works correctly on given compiler, environment.

- What is compile-time overhead of `reflect` library?

    > `reflect` include takes ~.2s (that includes running all tests).
    The most expensive calls are `visit` and `enum_to_name` whose timing will depend on the number of reflected elements and/or min/max values provided.
    There are no recursive template instantiations in the library.

- Can I disable running tests at compile-time for faster compilation times?

    > When `-DNTEST` is defined static_asserts tests wont be executed upon inclusion.
    Note: Use with caution as disabling tests means that there are no guarantees upon inclusion that the given compiler/env combination works as expected.

- How to extend the number of members to be reflected (default: 64)?

    > Override `visit`, for example - https://godbolt.org/z/Ga3bc3KKW

    ```cpp
    template <class Fn, class T> // requires https://wg21.link/P1061
    [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t) noexcept {
      auto&& [... ts] = std::forward<T>(t);
      return std::forward<Fn>(fn)(std::forward_like<T>(ts)...);
    }
    ```

- How to integrate with [CMake.FetchContent](https://cmake.org/cmake/help/latest/module/FetchContent.html)?

    ```
    include(FetchContent)

    FetchContent_Declare(
      qlibs.reflect
      GIT_REPOSITORY https://github.com/qlibs/reflect
      GIT_TAG v1.2.4
    )

    FetchContent_MakeAvailable(qlibs.reflect)
    ```

    ```
    target_link_libraries(${PROJECT_NAME} PUBLIC qlibs.reflect);
    ```
- Similar projects?
    > [boost.pfr](https://github.com/boostorg/pfr), [glaze](https://github.com/stephenberry/glaze), [reflect-cpp](https://github.com/getml/reflect-cpp), [magic_enum](https://github.com/Neargye/magic_enum)
<!--
#endif

#pragma once

#include <array>
#include <string_view>
#include <source_location>
#include <type_traits>
#include <tuple>
#include <utility>
#include <limits>
#include <cstdint>

#ifndef REFLECT_ENUM_MIN
#define REFLECT_ENUM_MIN 0
#endif

#ifndef REFLECT_ENUM_MAX
#define REFLECT_ENUM_MAX 128
#endif

namespace {
template<bool Cond> struct REFLECT_FWD_LIKE { template<class T> using type = std::remove_reference_t<T>&&; };
template<> struct REFLECT_FWD_LIKE<true> { template<class T> using type = std::remove_reference_t<T>&; };
} // to speed up compilation times

#define REFLECT_FWD(...) static_cast<decltype(__VA_ARGS__)&&>(__VA_ARGS__)
#define REFLECT_FWD_LIKE(T, ...) static_cast<typename ::REFLECT_FWD_LIKE<::std::is_lvalue_reference_v<T>>::template type<decltype(__VA_ARGS__)>>(__VA_ARGS__)
struct  REFLECT_STRUCT { void* MEMBER; enum class ENUM { VALUE }; }; // has to be in the global namespace

namespace reflect::inline v1_2_4 {
namespace detail {
template<class T> extern const T ext{};
struct any { template<class T> operator T() const noexcept; };
template<class T> struct any_except_base_of { template<class U> requires (not std::is_base_of_v<U, T>) operator U() const noexcept; };
template<auto...> struct auto_ { constexpr explicit(false) auto_(auto&&...) noexcept { } };
template<class T> struct ref { T& ref_; };
template<class T> ref(T&) -> ref<T>;

template<std::size_t N>
constexpr auto nth_pack_element_impl = []<auto... Ns>(std::index_sequence<Ns...>) -> decltype(auto) {
  return [](auto_<Ns>&&..., auto&& nth, auto&&...) -> decltype(auto) { return REFLECT_FWD(nth); };
}(std::make_index_sequence<N>{});

template<std::size_t N, class...Ts> requires (N < sizeof...(Ts))
[[nodiscard]] constexpr decltype(auto) nth_pack_element(Ts&&...args) noexcept {
  return nth_pack_element_impl<N>(REFLECT_FWD(args)...);
}

template<auto...  Vs> [[nodiscard]] constexpr auto function_name() noexcept -> std::string_view { return std::source_location::current().function_name(); }
template<class... Ts> [[nodiscard]] constexpr auto function_name() noexcept -> std::string_view { return std::source_location::current().function_name(); }

template<class T>
struct type_name_info {
  static constexpr auto name = function_name<int>();
  static constexpr auto begin = name.find("int");
  static constexpr auto end = name.substr(begin+std::size(std::string_view{"int"}));
};

template<class T> requires std::is_class_v<T>
struct type_name_info<T> {
  static constexpr auto name = function_name<REFLECT_STRUCT>();
  static constexpr auto begin = name.find("REFLECT_STRUCT");
  static constexpr auto end = name.substr(begin+std::size(std::string_view{"REFLECT_STRUCT"}));
};

template<class T> requires std::is_enum_v<T>
struct type_name_info<T> {
  static constexpr auto name = function_name<REFLECT_STRUCT::ENUM>();
  static constexpr auto begin = name.find("REFLECT_STRUCT::ENUM");
  static constexpr auto end = name.substr(begin+std::size(std::string_view{"REFLECT_STRUCT::ENUM"}));
};

struct enum_name_info {
  static constexpr auto name = function_name<REFLECT_STRUCT::ENUM::VALUE>();
  static constexpr auto begin = name.find("REFLECT_STRUCT::ENUM::VALUE");
  static constexpr auto end = std::size(name)-(name.find("REFLECT_STRUCT::ENUM::VALUE")+std::size(std::string_view{"REFLECT_STRUCT::ENUM::VALUE"}));
};

struct member_name_info {
  static constexpr auto name = function_name<ref{ext<REFLECT_STRUCT>.MEMBER}>();
  static constexpr auto begin = name[name.find("MEMBER")-1];
  static constexpr auto end = name.substr(name.find("MEMBER")+std::size(std::string_view{"MEMBER"}));
};
}  // namespace detail

template<class T, std::size_t Size>
struct fixed_string {
  constexpr explicit(false) fixed_string(const T* str) {
    for (decltype(Size) i{}; i < Size; ++i) { data[i] = str[i]; }
    data[Size] = T();
  }
  [[nodiscard]] constexpr auto operator<=>(const fixed_string&) const = default;
  [[nodiscard]] constexpr explicit(false) operator std::string_view() const { return {std::data(data), Size}; }
  [[nodiscard]] constexpr auto size() const { return Size; }
  T data[Size + 1u];
};
template<class T, std::size_t Capacity, std::size_t Size = Capacity-1> fixed_string(const T (&str)[Capacity]) -> fixed_string<T, Size>;

namespace detail {
template<class T, std::size_t Bases = 0u, class... Ts> requires std::is_aggregate_v<T>
[[nodiscard]] constexpr auto size() -> std::size_t {
  if constexpr (requires { T{Ts{}...}; } and not requires { T{Ts{}..., detail::any{}}; }) {
    return sizeof...(Ts) - Bases;
  } else if constexpr (Bases == sizeof...(Ts) and requires { T{Ts{}...}; } and not requires { T{Ts{}..., detail::any_except_base_of<T>{}}; }) {
    return size<T, Bases + 1u, Ts..., detail::any>();
  } else {
    return size<T, Bases, Ts..., detail::any>();
  }
}
} // namespace detail

template<class T> requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr auto size() -> std::size_t {
  return detail::size<std::remove_cvref_t<T>>();
}

template<class T> requires std::is_aggregate_v<T>
[[nodiscard]] constexpr auto size(const T&) -> std::size_t {
  return detail::size<T>();
}

namespace detail {
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&&,   std::integral_constant<std::size_t, 0>) noexcept { return REFLECT_FWD(fn)(); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 1>) noexcept { auto&& [_1] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 2>) noexcept { auto&& [_1, _2] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 3>) noexcept { auto&& [_1, _2, _3] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 4>) noexcept { auto&& [_1, _2, _3, _4] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 5>) noexcept { auto&& [_1, _2, _3, _4, _5] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 6>) noexcept { auto&& [_1, _2, _3, _4, _5, _6] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 7>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 8>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 9>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 10>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 11>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 12>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 13>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 14>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 15>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 16>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 17>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 18>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 19>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 20>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 21>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 22>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 23>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 24>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 25>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 26>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 27>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 28>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 29>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 30>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 31>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 32>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 33>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 34>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 35>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 36>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 37>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 38>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 39>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 40>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 41>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 42>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 43>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 44>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 45>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 46>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 47>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 48>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 49>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 50>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 51>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 52>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 53>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 54>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53), REFLECT_FWD_LIKE(T, _54)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 55>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53), REFLECT_FWD_LIKE(T, _54), REFLECT_FWD_LIKE(T, _55)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 56>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53), REFLECT_FWD_LIKE(T, _54), REFLECT_FWD_LIKE(T, _55), REFLECT_FWD_LIKE(T, _56)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 57>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53), REFLECT_FWD_LIKE(T, _54), REFLECT_FWD_LIKE(T, _55), REFLECT_FWD_LIKE(T, _56), REFLECT_FWD_LIKE(T, _57)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 58>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53), REFLECT_FWD_LIKE(T, _54), REFLECT_FWD_LIKE(T, _55), REFLECT_FWD_LIKE(T, _56), REFLECT_FWD_LIKE(T, _57), REFLECT_FWD_LIKE(T, _58)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 59>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53), REFLECT_FWD_LIKE(T, _54), REFLECT_FWD_LIKE(T, _55), REFLECT_FWD_LIKE(T, _56), REFLECT_FWD_LIKE(T, _57), REFLECT_FWD_LIKE(T, _58), REFLECT_FWD_LIKE(T, _59)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 60>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53), REFLECT_FWD_LIKE(T, _54), REFLECT_FWD_LIKE(T, _55), REFLECT_FWD_LIKE(T, _56), REFLECT_FWD_LIKE(T, _57), REFLECT_FWD_LIKE(T, _58), REFLECT_FWD_LIKE(T, _59), REFLECT_FWD_LIKE(T, _60)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 61>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53), REFLECT_FWD_LIKE(T, _54), REFLECT_FWD_LIKE(T, _55), REFLECT_FWD_LIKE(T, _56), REFLECT_FWD_LIKE(T, _57), REFLECT_FWD_LIKE(T, _58), REFLECT_FWD_LIKE(T, _59), REFLECT_FWD_LIKE(T, _60), REFLECT_FWD_LIKE(T, _61)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 62>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53), REFLECT_FWD_LIKE(T, _54), REFLECT_FWD_LIKE(T, _55), REFLECT_FWD_LIKE(T, _56), REFLECT_FWD_LIKE(T, _57), REFLECT_FWD_LIKE(T, _58), REFLECT_FWD_LIKE(T, _59), REFLECT_FWD_LIKE(T, _60), REFLECT_FWD_LIKE(T, _61), REFLECT_FWD_LIKE(T, _62)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 63>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53), REFLECT_FWD_LIKE(T, _54), REFLECT_FWD_LIKE(T, _55), REFLECT_FWD_LIKE(T, _56), REFLECT_FWD_LIKE(T, _57), REFLECT_FWD_LIKE(T, _58), REFLECT_FWD_LIKE(T, _59), REFLECT_FWD_LIKE(T, _60), REFLECT_FWD_LIKE(T, _61), REFLECT_FWD_LIKE(T, _62), REFLECT_FWD_LIKE(T, _63)); }
template<class Fn, class T> [[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, std::integral_constant<std::size_t, 64>) noexcept { auto&& [_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64] = REFLECT_FWD(t); return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, _1), REFLECT_FWD_LIKE(T, _2), REFLECT_FWD_LIKE(T, _3), REFLECT_FWD_LIKE(T, _4), REFLECT_FWD_LIKE(T, _5), REFLECT_FWD_LIKE(T, _6), REFLECT_FWD_LIKE(T, _7), REFLECT_FWD_LIKE(T, _8), REFLECT_FWD_LIKE(T, _9), REFLECT_FWD_LIKE(T, _10), REFLECT_FWD_LIKE(T, _11), REFLECT_FWD_LIKE(T, _12), REFLECT_FWD_LIKE(T, _13), REFLECT_FWD_LIKE(T, _14), REFLECT_FWD_LIKE(T, _15), REFLECT_FWD_LIKE(T, _16), REFLECT_FWD_LIKE(T, _17), REFLECT_FWD_LIKE(T, _18), REFLECT_FWD_LIKE(T, _19), REFLECT_FWD_LIKE(T, _20), REFLECT_FWD_LIKE(T, _21), REFLECT_FWD_LIKE(T, _22), REFLECT_FWD_LIKE(T, _23), REFLECT_FWD_LIKE(T, _24), REFLECT_FWD_LIKE(T, _25), REFLECT_FWD_LIKE(T, _26), REFLECT_FWD_LIKE(T, _27), REFLECT_FWD_LIKE(T, _28), REFLECT_FWD_LIKE(T, _29), REFLECT_FWD_LIKE(T, _30), REFLECT_FWD_LIKE(T, _31), REFLECT_FWD_LIKE(T, _32), REFLECT_FWD_LIKE(T, _33), REFLECT_FWD_LIKE(T, _34), REFLECT_FWD_LIKE(T, _35), REFLECT_FWD_LIKE(T, _36), REFLECT_FWD_LIKE(T, _37), REFLECT_FWD_LIKE(T, _38), REFLECT_FWD_LIKE(T, _39), REFLECT_FWD_LIKE(T, _40), REFLECT_FWD_LIKE(T, _41), REFLECT_FWD_LIKE(T, _42), REFLECT_FWD_LIKE(T, _43), REFLECT_FWD_LIKE(T, _44), REFLECT_FWD_LIKE(T, _45), REFLECT_FWD_LIKE(T, _46), REFLECT_FWD_LIKE(T, _47), REFLECT_FWD_LIKE(T, _48), REFLECT_FWD_LIKE(T, _49), REFLECT_FWD_LIKE(T, _50), REFLECT_FWD_LIKE(T, _51), REFLECT_FWD_LIKE(T, _52), REFLECT_FWD_LIKE(T, _53), REFLECT_FWD_LIKE(T, _54), REFLECT_FWD_LIKE(T, _55), REFLECT_FWD_LIKE(T, _56), REFLECT_FWD_LIKE(T, _57), REFLECT_FWD_LIKE(T, _58), REFLECT_FWD_LIKE(T, _59), REFLECT_FWD_LIKE(T, _60), REFLECT_FWD_LIKE(T, _61), REFLECT_FWD_LIKE(T, _62), REFLECT_FWD_LIKE(T, _63), REFLECT_FWD_LIKE(T, _64)); }
} // namespace detail

template<class Fn, class T> requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr decltype(auto) visit(Fn&& fn, T&& t, auto...) noexcept {
  #if (__cpp_structured_bindings >= 202601L)
    auto&& [... ts] = REFLECT_FWD(t);
    return REFLECT_FWD(fn)(REFLECT_FWD_LIKE(T, ts)...);
  #else
    return detail::visit(REFLECT_FWD(fn), REFLECT_FWD(t), std::integral_constant<std::size_t, size<std::remove_cvref_t<T>>()>{});
  #endif
}

template<class T>
[[nodiscard]] constexpr auto type_name() noexcept -> std::string_view {
  using type_name_info = detail::type_name_info<std::remove_pointer_t<std::remove_cvref_t<T>>>;
  constexpr std::string_view function_name = detail::function_name<std::remove_pointer_t<std::remove_cvref_t<T>>>();
  constexpr std::string_view qualified_type_name = function_name.substr(type_name_info::begin, function_name.find(type_name_info::end)-type_name_info::begin);
  constexpr std::string_view tmp_type_name = qualified_type_name.substr(0, qualified_type_name.find_first_of("<", 1));
  constexpr std::string_view type_name = tmp_type_name.substr(tmp_type_name.find_last_of("::")+1);
  static_assert(std::size(type_name) > 0u);
  if (std::is_constant_evaluated()) {
    return type_name;
  } else {
    return [&] {
      static constexpr const auto name = fixed_string<std::remove_cvref_t<decltype(type_name[0])>, std::size(type_name)>{std::data(type_name)};
      return std::string_view{name};
    }();
  }
}

template<class T>
[[nodiscard]] constexpr auto type_name(T&&) noexcept -> std::string_view { return type_name<std::remove_cvref_t<T>>(); }

template<class E>
[[nodiscard]] constexpr auto to_underlying(const E e) noexcept {
  return static_cast<std::underlying_type_t<E>>(e);
}

namespace detail {
template<auto V> consteval const auto& data() { return V.data; }
template<class T, std::size_t Size>
struct static_vector {
  constexpr static_vector() = default;
  constexpr auto push_back(const T& value) { values_[size_++] = value; }
  [[nodiscard]] constexpr const auto& operator[](auto i) const { return values_[i]; }
  [[nodiscard]] constexpr auto begin() const { return &values_[0]; }
  [[nodiscard]] constexpr auto end() const { return &values_[0] + size_; }
  [[nodiscard]] constexpr auto size() const { return size_; }
  [[nodiscard]] constexpr auto empty() const { return not size_; }
  [[nodiscard]] constexpr auto capacity() const { return Size; }
  std::array<T, Size> values_{};
  std::size_t size_{};
};
template<class E, auto N> requires std::is_enum_v<E>
[[nodiscard]] constexpr auto enum_name() {
  constexpr auto fn_name = function_name<static_cast<E>(N)>();
  constexpr auto name = fn_name.substr(enum_name_info::begin, std::size(fn_name)-enum_name_info::end-enum_name_info::begin);
  constexpr auto enum_name = name.substr(name.find_last_of("::")+1);
  static_assert(std::size(enum_name) > 0u);
  return data<fixed_string<std::remove_cvref_t<decltype(enum_name[0])>, std::size(enum_name)>{std::data(enum_name)}>();
}
#if defined(__clang__)
#if (__clang_major__ > 15) and (__clang_major__ < 19)
  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Wenum-constexpr-conversion"
#endif
template<class E, auto Min, auto Max> requires (std::is_enum_v<E> and Max > Min)
inline constexpr auto enum_cases = []<auto... Ns>(std::index_sequence<Ns...>) {
  static_vector<std::underlying_type_t<E>, sizeof...(Ns)> cases{};
  ([&] {
    if constexpr (requires { function_name<static_cast<E>(Ns+Min)>(); }) {
      const auto fn_name = function_name<static_cast<E>(Ns+Min)>();
      const auto name = fn_name.substr(enum_name_info::begin, std::size(fn_name)-enum_name_info::end-enum_name_info::begin);
      const auto enum_name = name.substr(name.find_last_of("::")+1);
      if (enum_name.find(")") == std::string_view::npos) {
        cases.push_back(std::underlying_type_t<E>(Ns+Min));
      }
    }
  }(), ...);
  return cases;
}(std::make_index_sequence<Max-Min+1/*inclusive*/>{});
#if (__clang_major__ > 15) and (__clang_major__ < 19)
  #pragma clang diagnostic pop
#endif
#else
template<class E, auto Min, auto Max> requires (std::is_enum_v<E> and Max > Min)
inline constexpr auto enum_cases = []<auto... Ns>(std::index_sequence<Ns...>) {
  const auto names = function_name<static_cast<E>(Ns+Min)...>();
  const auto begin = enum_name_info::begin;
  const auto end = std::size(names) - enum_name_info::end;
  static_vector<std::underlying_type_t<E>, sizeof...(Ns)> cases{};
  std::underlying_type_t<E> index{};
  auto valid = true;
  for (auto i = begin; i < end; ++i) {
    if (names[i] == '(' and names[i+1] != ')') {
      valid = false;
    } else if (names[i] == ' ') {
      valid = true;
    } else if (names[i] == ',' or i == end-1) {
      if (valid) { cases.push_back(index+Min); }
      ++index;
      valid = true;
    }
  }
  return cases;
}(std::make_index_sequence<Max-Min+1/*inclusive*/>{});
#endif
} // namespace detail

template<class E> requires std::is_enum_v<E> consteval auto enum_min(const E) -> int { return REFLECT_ENUM_MIN; }
template<class E, class T = std::underlying_type_t<E>> requires std::is_enum_v<E> consteval auto enum_max(const E) -> int {
  return std::numeric_limits<T>::max() < REFLECT_ENUM_MAX ? std::numeric_limits<T>::max() : REFLECT_ENUM_MAX;
}

template<class E, int Min = enum_min(E{}), int Max = enum_max(E{}), auto enum_cases = detail::enum_cases<E, Min, Max>>
inline constexpr auto enumerators = []<auto... Ns>(std::index_sequence<Ns...>) {
  return std::array{std::pair{enum_cases[Ns], detail::enum_name<E, enum_cases[Ns]>()}...};
}(std::make_index_sequence<enum_cases.size()>{});

template<class E, fixed_string unknown = "", auto Min = enum_min(E{}), auto Max = enum_max(E{})>
  requires (std::is_enum_v<E> and Max > Min)
[[nodiscard]] constexpr auto enum_name(const E e) noexcept -> std::string_view {
  if constexpr (constexpr auto cases = enumerators<E, Min, Max>; std::empty(cases)) {
    return unknown;
  } else {
    const auto switch_case = [&]<std::size_t I = 0u>(auto switch_case, const auto value) -> std::string_view {
      if constexpr (I == std::size(cases)) {
        return unknown;
      } else {
        switch (value) {
          default:             return switch_case.template operator()<I + 1u>(switch_case, value);
          case cases[I].first: return cases[I].second;
        }
      }
    };
    return switch_case(switch_case, to_underlying(e));
  }
}

template<class T>
[[nodiscard]] constexpr auto type_id() -> std::size_t {
  std::size_t result{};
  for (const auto c : type_name<T>()) { (result ^= c) <<= 1; }
  return result;
}

template<class T>
[[nodiscard]] constexpr auto type_id(const T&) noexcept -> std::size_t { return type_id<T>(); }

template<std::size_t N, class T> requires (std::is_aggregate_v<std::remove_cvref_t<T>> and N < size<T>())
[[nodiscard]] constexpr auto member_name() noexcept -> std::string_view {
  constexpr std::string_view function_name = detail::function_name<visit([](auto&&... args) { return detail::ref{detail::nth_pack_element<N>(REFLECT_FWD(args)...)}; }, detail::ext<std::remove_cvref_t<T>>)>();
  constexpr std::string_view tmp_member_name = function_name.substr(0, function_name.find(detail::member_name_info::end));
  constexpr std::string_view member_name = tmp_member_name.substr(tmp_member_name.find_last_of(detail::member_name_info::begin)+1);
  static_assert(std::size(member_name) > 0u);
  if (std::is_constant_evaluated()) {
    return member_name;
  } else {
    return [&] {
      static constexpr const auto name = fixed_string<std::remove_cvref_t<decltype(member_name[0])>, std::size(member_name)>{std::data(member_name)};
      return std::string_view{name};
    }();
  }
}

template<std::size_t N, class T> requires (std::is_aggregate_v<T> and N < size<T>())
[[nodiscard]] constexpr auto member_name(const T&) noexcept -> std::string_view {
  return member_name<N, T>();
}

template<std::size_t N, class T> requires (std::is_aggregate_v<std::remove_cvref_t<T>> and N < size<std::remove_cvref_t<T>>())
[[nodiscard]] constexpr decltype(auto) get(T&& t) noexcept {
  return visit([](auto&&... args) -> decltype(auto) { return detail::nth_pack_element<N>(REFLECT_FWD(args)...); }, REFLECT_FWD(t));
}

template<std::size_t N, class T> requires (std::is_aggregate_v<T> and N < size<T>())
using member_type = std::remove_cvref_t<decltype(reflect::get<N>(std::declval<T&&>()))>;

namespace detail {
template<class T, auto Name>
inline constexpr bool has_member_name_impl = []<auto... Ns>(std::index_sequence<Ns...>) {
  return ((Name == member_name<Ns, T>()) or ...);
}(std::make_index_sequence<size<T>()>{});

template<class T, fixed_string Name>
[[nodiscard]] consteval auto diagnose_member_name() {
  constexpr std::string_view prefix = "`";
  constexpr std::string_view type = type_name<T>();
  if constexpr (size<T>()) {
    constexpr std::string_view infix1 = "` has no data member named `";
    constexpr std::string_view incorrect = Name;
    constexpr std::string_view infix2 = "`. Did you mean `";
    constexpr std::string_view correct = [] {
      constexpr auto distance = [](std::string_view correct) {
        constexpr std::string_view incorrect = Name;
        std::array<std::size_t, incorrect.size() + 1> prev;
        std::array<std::size_t, incorrect.size() + 1> curr{};
        for (decltype(prev.size()) i{}; i < prev.size(); ++i) prev[i] = i;
        for (decltype(correct.size()) i{}; i < correct.size(); ++i) {
          curr[0] = i + 1;
          for (decltype(incorrect.size()) j{}; j < incorrect.size(); ++j) {
            const auto del = prev[j + 1] + 1;
            const auto ins = curr[j] + 1;
            const auto sub = prev[j] + (correct[i] != incorrect[j]);
            const auto min_del_ins = del < ins ? del : ins;
            curr[j + 1] = min_del_ins < sub ? min_del_ins : sub;
          }
          auto temp = curr;
          curr = prev;
          prev = temp;
        }
        return prev.back();
      };
      const auto member_names = []<auto... Ns>(std::index_sequence<Ns...>) {
        return std::array<std::string_view, sizeof...(Ns)>{member_name<Ns, T>()...};
      }(std::make_index_sequence<size<T>()>{});
      auto closest_name = member_names[0];
      auto min_distance = distance(closest_name);
      for (decltype(member_names.size()) n{1}; n < member_names.size(); ++n) {
        const auto nth_member_name = member_names[n];
        const auto nth_distance = distance(nth_member_name);
        if (nth_distance < min_distance) {
          closest_name = nth_member_name;
          min_distance = nth_distance;
        }
      }
      return closest_name;
    }();
    constexpr std::string_view suffix = "`?";
    char message[prefix.size() + type.size() + infix1.size() + incorrect.size() + infix2.size() + correct.size() + suffix.size() + 1];
    auto out = message;
    for (const auto c : prefix) *out++ = c;
    for (const auto c : type) *out++ = c;
    for (const auto c : infix1) *out++ = c;
    for (const auto c : incorrect) *out++ = c;
    for (const auto c : infix2) *out++ = c;
    for (const auto c : correct) *out++ = c;
    for (const auto c : suffix) *out++ = c;
    *out = '\0';
    return fixed_string{message};
  } else {
    constexpr std::string_view suffix = "` has no data members.";
    char message[prefix.size() + type.size() + suffix.size() + 1];
    auto out = message;
    for (const auto c : prefix) *out++ = c;
    for (const auto c : type) *out++ = c;
    for (const auto c : suffix) *out++ = c;
    *out = '\0';
    return fixed_string{message};
  }
}

template<auto Message>
struct print { static constexpr auto value = false; };
template<class TMessage>
concept diagnosis = TMessage::value;
template<class T, auto Name>
concept member_name_diagnosis = diagnosis<print<diagnose_member_name<T, Name>()>>;
} // namespace detail

template<class T, fixed_string Name>
concept has_member_name = detail::has_member_name_impl<std::remove_cvref_t<T>, Name> or detail::member_name_diagnosis<std::remove_cvref_t<T>, Name>;

template<fixed_string Name, class T>
  requires (std::is_aggregate_v<std::remove_cvref_t<T>> and has_member_name<std::remove_cvref_t<T>, Name>)
constexpr decltype(auto) get(T&& t) noexcept {
  return visit([](auto&&... args) -> decltype(auto) {
    constexpr auto index = []<auto... Ns>(std::index_sequence<Ns...>){
      return (((std::string_view{Name} == member_name<Ns, std::remove_cvref_t<T>>()) ? Ns : decltype(Ns){}) + ...);
    }(std::make_index_sequence<size<std::remove_cvref_t<T>>()>{});
    return detail::nth_pack_element<index>(REFLECT_FWD(args)...);
  }, REFLECT_FWD(t));
}

template<template<class...> class R, class T>
  requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr auto to(T&& t) noexcept {
   if constexpr (std::is_lvalue_reference_v<decltype(t)>) {
    return visit([](auto&&... args) { return R<decltype(REFLECT_FWD(args))...>{REFLECT_FWD(args)...}; }, t);
  } else {
    return visit([](auto&&... args) { return R{REFLECT_FWD(args)...}; }, t);
  }
}

template<fixed_string... Members, class TSrc, class TDst>
  requires (std::is_aggregate_v<TSrc> and std::is_aggregate_v<TDst>)
constexpr auto copy(const TSrc& src, TDst& dst) noexcept -> void {
  constexpr auto contains = []([[maybe_unused]] const auto name) {
    return sizeof...(Members) == 0u or ((name == std::string_view{Members}) or ...);
  };
  auto dst_view = to<std::tuple>(dst);
  [&]<auto... Ns>(std::index_sequence<Ns...>) {
    ([&] {
      if constexpr (contains(member_name<Ns, TDst>()) and requires { std::get<Ns>(dst_view) = get<fixed_string<std::remove_cvref_t<decltype(member_name<Ns, TDst>()[0])>, std::size(member_name<Ns, TDst>())>(std::data(member_name<Ns, TDst>()))>(src); }) {
        std::get<Ns>(dst_view) = get<fixed_string<std::remove_cvref_t<decltype(member_name<Ns, TDst>()[0])>, std::size(member_name<Ns, TDst>())>(std::data(member_name<Ns, TDst>()))>(src);
      }
    }(), ...);
  }(std::make_index_sequence<size<TDst>()>{});
}

template<class R, class T> requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr auto to(T&& t) noexcept {
  R r{};
  copy(REFLECT_FWD(t), r);
  return r;
}

template<std::size_t N, class T> requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr auto size_of() -> std::size_t {
  return sizeof(std::remove_cvref_t<decltype(get<N>(detail::ext<T>))>);
}

template<std::size_t N, class T> requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr auto size_of(T&&) -> std::size_t {
  return size_of<N, std::remove_cvref_t<T>>();
}

template<std::size_t N, class T> requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr auto align_of() -> std::size_t {
  return alignof(std::remove_cvref_t<decltype(get<N>(detail::ext<T>))>);
}

template<std::size_t N, class T> requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr auto align_of(T&&) -> std::size_t {
  return align_of<N, std::remove_cvref_t<T>>();
}

template<std::size_t N, class T> requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr auto offset_of() -> std::size_t {
  if constexpr (not N) {
    return {};
  } else {
    constexpr auto offset = offset_of<N-1, T>() + size_of<N-1, T>();
    constexpr auto alignment = std::min(alignof(T), align_of<N, T>());
    constexpr auto padding = offset % alignment;
    return offset + padding;
  }
}

template<std::size_t N, class T> requires std::is_aggregate_v<std::remove_cvref_t<T>>
[[nodiscard]] constexpr auto offset_of(T&&) -> std::size_t {
  return offset_of<N, std::remove_cvref_t<T>>();
}

template<class T, class Fn> requires std::is_aggregate_v<std::remove_cvref_t<T>>
constexpr auto for_each(Fn&& fn) -> void {
  [&]<auto... Ns>(std::index_sequence<Ns...>) {
    (REFLECT_FWD(fn)(std::integral_constant<decltype(Ns), Ns>{}), ...);
  }(std::make_index_sequence<reflect::size<std::remove_cvref_t<T>>()>{});
}

template<class Fn, class T> requires std::is_aggregate_v<std::remove_cvref_t<T>>
constexpr auto for_each(Fn&& fn, T&&) -> void {
  [&]<auto... Ns>(std::index_sequence<Ns...>) {
    (REFLECT_FWD(fn)(std::integral_constant<decltype(Ns), Ns>{}), ...);
  }(std::make_index_sequence<reflect::size<std::remove_cvref_t<T>>()>{});
}
} // namespace reflect
#undef REFLECT_FWD_LIKE
#undef REFLECT_FWD

#ifndef NTEST
namespace reflect::test {
struct empty { };
struct foo { using type = int; enum E { }; };
template<class T> struct optional {
  constexpr optional() = default;
  constexpr optional(T t) : t{t} { }
  T t{};
};
struct bar { };
template<class T> struct foo_t { };
namespace ns::inline v1 { template<auto...> struct bar_v { }; } // ns
enum e {
  _141 = 141,
  _142 = 142,
};
enum e1 { e1a };
enum class e2 : std::uint8_t { e2a, e2b };
enum e3 { e3a, e3b, e3c, };
enum class e4 : std::int32_t { e4a, e4b = 5, e4c, e4d = 2, };
consteval auto enum_min(e) { return e::_141; }
consteval auto enum_max(e) { return e::_142; }
void failed(); 
inline constexpr auto expect = [](bool cond) { if (not cond) { failed(); } };
} // reflect::test

static_assert(([] {
  using namespace reflect;
  using test::expect;

  // nth_pack_element
  {
    using reflect::detail::nth_pack_element;

    static_assert(1 == nth_pack_element<0>(1));
    static_assert(1 == nth_pack_element<0>(1, 2));
    static_assert(2 == nth_pack_element<1>(1, 2));
    static_assert('a' == nth_pack_element<0>('a', 1, true));
    static_assert(1 == nth_pack_element<1>('a', 1, true));
    static_assert(true == nth_pack_element<2>('a', 1, true));

    {
      [[maybe_unused]] int a{};
      static_assert(std::is_same_v<int&, decltype(nth_pack_element<0>(a))>);
    }

    {
      [[maybe_unused]] const int a{};
      static_assert(std::is_same_v<const int&, decltype(nth_pack_element<0>(a))>);
    }

    {
      [[maybe_unused]] int a{};
      static_assert(std::is_same_v<int&&, decltype(nth_pack_element<0>(static_cast<int&&>(a)))>);
    }

    {
      [[maybe_unused]] const int a{};
      static_assert(std::is_same_v<const int&&, decltype(nth_pack_element<0>(static_cast<const int&&>(a)))>);
    }
  }

  // fixed_string
  {
    static_assert(0u == std::size(fixed_string{""}));
    static_assert(fixed_string{""} == fixed_string{""});
    static_assert(std::string_view{""} == std::string_view{fixed_string{""}});
    static_assert(3u == std::size(fixed_string{"foo"}));
    static_assert(std::string_view{"foo"} == std::string_view{fixed_string{"foo"}});
    static_assert(fixed_string{"foo"} == fixed_string{"foo"});
  }

  // size
  {
    struct empty {};
    struct one { int a; };
    struct two { int a; reflect::test::optional<int> o; };
    struct empty_with_base : empty {};
    struct one_with_base : empty { int a; };
    struct two_with_base : empty { int a; reflect::test::optional<int> o; };
    struct base {};
    struct empty_with_bases : empty, base {};
    struct one_with_bases : empty, base { int a; };
    struct two_with_bases : empty, base { int a; reflect::test::optional<int> o; };
    struct two_with_base_member : empty, base { int a; base b; };

    static_assert(0 == size<empty>());
    static_assert(0 == size(empty{}));
    static_assert(1 == size<one>());
    static_assert(1 == size(one{}));
    static_assert(2 == size<two>());
    static_assert(2 == size(two{}));
    static_assert(0 == size<empty_with_base>());
    static_assert(0 == size(empty_with_base{}));
    static_assert(1 == size<one_with_base>());
    static_assert(1 == size(one_with_base{}));
    static_assert(2 == size<two_with_base>());
    static_assert(2 == size(two_with_base{}));
    static_assert(0 == size<empty_with_bases>());
    static_assert(0 == size(empty_with_bases{}));
    static_assert(1 == size<one_with_bases>());
    static_assert(1 == size(one_with_bases{}));
    static_assert(2 == size<two_with_bases>());
    static_assert(2 == size(two_with_bases{}));
    static_assert(2 == size<two_with_base_member>());
    static_assert(2 == size(two_with_base_member{}));
    static_assert(0 == size<const empty>());
    static_assert(1 == size<const one>());
    static_assert(2 == size<const two>());
    static_assert(0 == size<const empty_with_base>());
    static_assert(1 == size<const one_with_base>());
    static_assert(2 == size<const two_with_base>());
    static_assert(0 == size<const empty_with_bases>());
    static_assert(1 == size<const one_with_bases>());
    static_assert(2 == size<const two_with_bases>());
    static_assert(2 == size<const two_with_base_member>());

    struct non_standard_layout {
     private:
        int _1{};
     public:
        int _2{};
    };

    struct S {
      double _1;
      non_standard_layout _2;
      float _3;
    };

    static_assert(3 == size<S>());

    constexpr auto test = []<class T> {
      struct S { T _1; T _2; int _3; T _4; };
      struct S5_0 { int _1; int _2; int _3; int _4; T _5; };
      struct S5_1 { T _1; int _2; int _3; int _4; int _5; };
      struct S5_2 { int _1; int _2; T _3; int _4; int _5; };
      struct S5_3 { int _1; int _2; T _3; int _4; T _5; };
      struct S5_4 { T _1; T _2; T _3; T _4; T _5; };
      struct S6 { T _1; T _2; T _3; T _4; T _5;  T _6;};

      static_assert(4 == size<S>());
      static_assert(5 == size<S5_0>());
      static_assert(5 == size<S5_1>());
      static_assert(5 == size<S5_2>());
      static_assert(5 == size<S5_3>());
      static_assert(5 == size<S5_4>());
      static_assert(6 == size<S6>());
    };

    {
      struct T {
        T() = default;
        T(T&&) = default;
        T(const T&) = delete;
        T& operator=(T&&) = default;
        T& operator=(const T&) = delete;
      };
      test.template operator()<T>();
    }

    {
      struct T {
        T() = default;
        T(T&&) = default;
        T(const T&) = delete;
        T& operator=(T&&) = default;
        T& operator=(const T&) = delete;
      };
      test.template operator()<T>();
    }

    {
      struct T {
        T(T&&) = default;
        T(const T&) = delete;
        T& operator=(T&&) = default;
        T& operator=(const T&) = delete;
      };
      test.template operator()<T>();
    }

    {
      struct T { T(int) { } };
      test.template operator()<T>();
    }

    struct bf {
      unsigned int _1: 1;
      unsigned int _2: 1;
      unsigned int _3: 1;
      unsigned int _4: 1;
      unsigned int _5: 1;
      unsigned int _6: 1;
    };

    static_assert(6 == size<bf>());

    struct {
      int _1;
      int _2;
    } anonymous;

    static_assert(2 == size(anonymous));
  }

  // visit
  {
    struct empty {};
    static_assert(0 == visit([]([[maybe_unused]] auto&&... args) { return sizeof...(args); }, empty{}));

    struct one { int a; };
    static_assert(1 == visit([]([[maybe_unused]] auto&&... args) { return sizeof...(args); }, one{}));

    struct two { int a; int b; };
    static_assert(2 == visit([]([[maybe_unused]] auto&&... args) { return sizeof...(args); }, two{}));
  }

  // type_name
  {
    struct local {};

    static_assert(std::string_view{"void"} == type_name<void>());
    static_assert(std::string_view{"int"} == type_name<int>());
    static_assert(std::string_view{"empty"} == type_name<reflect::test::empty>());
    static_assert(std::string_view{"empty"} == type_name(reflect::test::empty{}));
    static_assert(std::string_view{"foo"} == type_name<reflect::test::foo>());
    static_assert(std::string_view{"foo"} == type_name(reflect::test::foo{}));
    static_assert(std::string_view{"bar"} == type_name<reflect::test::bar>());
    static_assert(std::string_view{"bar"} == type_name(reflect::test::bar{}));
    static_assert(std::string_view{"foo_t"} == type_name<reflect::test::foo_t<void>>());
    static_assert(std::string_view{"foo_t"} == type_name<reflect::test::foo_t<int>>());
    static_assert(std::string_view{"foo_t"} == type_name<reflect::test::foo_t<reflect::test::ns::bar_v<42>>>());
    static_assert(std::string_view{"bar_v"} == type_name<reflect::test::ns::bar_v<42>>());
    static_assert(std::string_view{"bar_v"} == type_name<reflect::test::ns::bar_v<>>());
    static_assert(std::string_view{"int"} == type_name(reflect::test::foo::type{}));
    static_assert(std::string_view{"E"} == type_name(reflect::test::foo::E{}));
    static_assert(std::string_view{"local"} == type_name<local>());
    static_assert(std::string_view{"local"} == type_name(local{}));
  }

  // type_id
  {
    static_assert(type_id<reflect::test::bar>() != type_id(reflect::test::foo{}));
    static_assert(type_id<int>() != type_id(reflect::test::foo{}));
    static_assert(type_id<int>() != type_id<void>());
    static_assert(type_id<void>() != type_id<int>());
    static_assert(type_id<void>() == type_id<void>());
    static_assert(type_id<int>() == type_id<int>());
    static_assert(type_id<int>() == type_id<int&>());
    static_assert(type_id<const int&>() == type_id<int&>());
    static_assert(type_id<void*>() == type_id<void>());
    static_assert(type_id<void*>() == type_id<void>());
    static_assert(type_id<reflect::test::foo>() == type_id(reflect::test::foo{}));
    static_assert(type_id<reflect::test::bar>() == type_id(reflect::test::bar{}));
  }

  #ifndef _MSC_VER
  // enumerators
  {
    static_assert(1u == enumerators<reflect::test::e1, 0, 1>.size());
    static_assert(0u == enumerators<reflect::test::e1, 0, 1>[0].first);

    static_assert(2u == enumerators<reflect::test::e2, 0, 2>.size());
    static_assert(std::uint8_t(0) == enumerators<reflect::test::e2, 0, 2>[0].first);
    static_assert(std::uint8_t(1) == enumerators<reflect::test::e2, 0, 2>[1].first);

    static_assert(3u == enumerators<reflect::test::e3, 0, 3>.size());
    static_assert(0u == enumerators<reflect::test::e3, 0, 3>[0].first);
    static_assert(1u == enumerators<reflect::test::e3, 0, 3>[1].first);
    static_assert(2u == enumerators<reflect::test::e3, 0, 3>[2].first);

    static_assert(4u == enumerators<reflect::test::e4, 0, 6>.size());
    static_assert(0 == enumerators<reflect::test::e4, 0, 6>[0].first);
    static_assert(2 == enumerators<reflect::test::e4, 0, 6>[1].first);
    static_assert(5 == enumerators<reflect::test::e4, 0, 6>[2].first);
    static_assert(6 == enumerators<reflect::test::e4, 0, 6>[3].first);
  }
  #endif

  // enum_name
  {
      enum class foobar {
        foo = 1, bar = 2
      };

      enum mask : unsigned char {
        a = 0b00,
        b = 0b01,
        c = 0b10,
      };

      enum sparse {
        _128 = 128,
        _130 = 130,
      };

      enum class negative {
        unknown = -1,
        A = 0,
        B = 1,
      };

      static_assert([](const auto e) { return requires { enum_name<foobar,"",1,2>(e); }; }(foobar::foo));
      static_assert([](const auto e) { return requires { enum_name<mask,"",1,2>(e); }; }(mask::a));
      static_assert(not [](const auto e) { return requires { enum_name<foobar,"",1,2>(e); }; }(0));
      static_assert(not [](const auto e) { return requires { enum_name<int,"",1,2>(e); }; }(0));
      static_assert(not [](const auto e) { return requires { enum_name<int,"",1,2>(e); }; }(42u));

      static_assert(std::string_view{""} == enum_name<foobar,"",1,2>(static_cast<foobar>(42)));
      static_assert(std::string_view{"unknown"} == enum_name<foobar,"unknown",1,2>(static_cast<foobar>(42)));

      const auto e = foobar::foo;
      static_assert(std::string_view{"foo"} == enum_name<foobar,"",1,2>(e));

      static_assert(std::string_view{"foo"} == enum_name<foobar,"",1,2>(foobar::foo));
      static_assert(std::string_view{"bar"} == enum_name<foobar,"",1,2>(foobar::bar));

      static_assert(std::string_view{"a"} == enum_name<mask,"",0,2>(mask::a));
      static_assert(std::string_view{"b"} == enum_name<mask,"",0,2>(mask::b));
      static_assert(std::string_view{"c"} == enum_name<mask,"",0,2>(mask::c));

      static_assert(std::string_view{"_128"} == enum_name<sparse,"",128,130>(sparse::_128));
      static_assert(std::string_view{"_130"} == enum_name<sparse,"",128,130>(sparse::_130));

      static_assert(std::string_view{"unknown"} == enum_name<negative,"<>",-1, 1>(negative::unknown));
      static_assert(std::string_view{"A"} == enum_name<negative,"<>",-1, 1>(negative::A));
      static_assert(std::string_view{"B"} == enum_name<negative,"<>",-1, 1>(negative::B));
      static_assert(std::string_view{"<>"} == enum_name<negative,"<>",-1, 1>(static_cast<negative>(-42)));

      static_assert(std::string_view{"_141"} == enum_name<reflect::test::e>(reflect::test::e::_141));
      static_assert(std::string_view{"_142"} == enum_name<reflect::test::e>(reflect::test::e::_142));
  }

  // member_name
  {
    struct foo { int i; bool b; void* bar{}; };

    static_assert(std::string_view{"i"} == member_name<0, foo>());
    static_assert(std::string_view{"i"} == member_name<0>(foo{}));

    static_assert(std::string_view{"b"} == member_name<1, foo>());
    static_assert(std::string_view{"b"} == member_name<1>(foo{}));

    static_assert(std::string_view{"bar"} == member_name<2, foo>());
    static_assert(std::string_view{"bar"} == member_name<2>(foo{}));
  }

  // get [by index]
  {
    struct foo { int i; bool b; };

    {
      constexpr auto f = foo{.i=42, .b=true};

      static_assert([]<auto N> { return requires { get<N>(f); }; }.template operator()<0>());
      static_assert([]<auto N> { return requires { get<N>(f); }; }.template operator()<1>());
      static_assert(not []<auto N> { return requires { get<N>(f); }; }.template operator()<2>());

      static_assert(42 == get<0>(f));
      static_assert(true == get<1>(f));
    }

    {
      {
        auto f = foo{};
        auto value = get<0>(f);
        static_assert(std::is_same_v<decltype(value), int>);
      }

      {
        auto value = get<0>(foo{});
        static_assert(std::is_same_v<decltype(value), int>);
      }

      {
        auto f = foo{};
        auto& lvalue = get<0>(f);
        static_assert(std::is_same_v<decltype(lvalue), int&>);
      }

      {
        static_assert(std::is_same_v<decltype(get<0>(foo{})), int&&>);
      }
    }
  }

  // member_type
  {
    struct foo{ int i; float j; bool k; };

    static_assert(std::is_same_v<int, member_type<0, foo>>);
    static_assert(std::is_same_v<float, member_type<1, foo>>);
    static_assert(std::is_same_v<bool, member_type<2, foo>>);
  }

  // has_member_name
  {
    struct foo { int bar; };
    static_assert(has_member_name<foo, "bar">);
    static_assert(not has_member_name<foo, "baz">);
    static_assert(not has_member_name<foo, "BAR">);
    static_assert(not has_member_name<foo, "">);
  }

  // diagnose_member_name
  {
    struct foo { bool flag; int bar; };
    static_assert(detail::diagnose_member_name<foo, "">() == "`foo` has no data member named ``. Did you mean `bar`?");
    static_assert(detail::diagnose_member_name<foo, "ba">() == "`foo` has no data member named `ba`. Did you mean `bar`?");
    static_assert(detail::diagnose_member_name<foo, "fl">() == "`foo` has no data member named `fl`. Did you mean `flag`?");
    static_assert(detail::diagnose_member_name<foo, "baz">() == "`foo` has no data member named `baz`. Did you mean `bar`?");
    static_assert(detail::diagnose_member_name<foo, "lag">() == "`foo` has no data member named `lag`. Did you mean `flag`?");

    struct empty {};
    static_assert(detail::diagnose_member_name<empty, "any">() == "`empty` has no data members.");
  }

  // get [by name]
  {
    struct foo { int i; bool b; };

    {
      constexpr auto f = foo{.i=42, .b=true};

      static_assert([]<fixed_string Name> { return requires { get<Name>(f); }; }.template operator()<"i">());
      static_assert([]<fixed_string Name> { return requires { get<Name>(f); }; }.template operator()<"b">());
      static_assert(not []<fixed_string Name> { return requires { get<Name>(f); }; }.template operator()<"unknown">());

      static_assert(42 == get<"i">(f));
      static_assert(true == get<"b">(f));
    }

    {
      {
        auto f = foo{};
        auto value = get<"i">(f);
        static_assert(std::is_same_v<decltype(value), int>);
      }

      {
        auto value = get<"i">(foo{});
        static_assert(std::is_same_v<decltype(value), int>);
      }

      {
        auto f = foo{};
        auto& lvalue = get<"i">(f);
        static_assert(std::is_same_v<decltype(lvalue), int&>);
      }

      {
        static_assert(std::is_same_v<decltype(get<"i">(foo{})), int&&>);
      }
    }
  }

  // to
  {
    struct foo { int a; int b; };

    {
      constexpr auto t = to<std::tuple>(foo{.a=4, .b=2});
      static_assert(4 == std::get<0>(t));
      static_assert(2 == std::get<1>(t));
    }

    {
      auto f = foo{.a=4, .b=2};
      auto t = to<std::tuple>(f);
      std::get<0>(t) *= 10;
      f.b = 42;
      expect(40 == std::get<0>(t) and 40 == f.a);
      expect(42 == std::get<1>(t) and 42 == f.b);
    }

    {
      const auto f = foo{.a=4, .b=2};
      auto t = to<std::tuple>(f);
      expect(f.a == std::get<0>(t));
      expect(f.b == std::get<1>(t));
    }
  }

  // copy
  {
    struct foo {
      int a{};
      int b{};
    };

    struct bar {
      int a{};
      int b{};
    };

    const auto f = foo{.a=1, .b=2};

    {
      bar b{};
      b.b = 42;
      copy<"a">(f, b);
      expect(b.a == f.a);
      expect(42 == b.b);
    }

    {
      bar b{};
      b.b = 42;
      copy<"a", "b">(f, b);
      expect(b.a == f.a);
      expect(b.b == f.b);
    }

    {
      bar b{};
      b.a = 42;
      copy<"b">(f, b);
      expect(42 == b.a);
      expect(b.b == f.b);
    }

    {
      bar b{};
      copy<"c">(f, b); // ignores
      expect(0 == b.a);
      expect(0 == b.b);
    }

    {
      bar b{};
      copy<"a", "c", "b">(f, b); // copies a, b; ignores c
      expect(b.a == f.a);
      expect(b.b == f.b);
    }

    {
      bar b{};
      copy(f, b);
      expect(b.a == f.a);
      expect(b.b == f.b);
    }

    {
      bar b{.a=4, .b=2};
      copy(f, b); // overwrites members
      expect(b.a == f.a);
      expect(b.b == f.b);
    }

    struct baz {
      int a{};
      int c{};
    };

    {
      baz b{};
      b.c = 42;
      copy(f, b);
      expect(b.a == f.a);
      expect(42 == b.c);
    }
  }

  // to [struct]
  {
    struct foo {
      int a{};
      int b{};
    };

    struct bar {
      int a{};
      int b{};
    };

    {
      constexpr auto b = to<bar>(foo{.a=4, .b=2});
      static_assert(4 == b.a);
      static_assert(2 == b.b);
    }

    {
      auto f = foo{.a=4, .b=2};
      auto b = to<bar>(f);
      f.a = 42;
      expect(42 == f.a);
      expect(4 == b.a);
      expect(2 == b.b);
    }

    {
      const auto f = foo{.a=4, .b=2};
      const auto b = to<bar>(f);
      expect(4 == b.a);
      expect(2 == b.b);
    }

    struct baz {
      int a{};
      int c{};
    };

    {
      auto f = foo{.a=4, .b=2};
      auto b = to<bar>(f);
      b.a = 1;
      expect(1 == b.a and 4 == f.a);
      expect(2 == b.b and 2 == f.b);
    }

    {
      const auto b = to<baz>(foo{.a=4, .b=2});
      expect(4 == b.a and 0 == b.c);
    }

    struct foobar {
      int a{};
      enum e : int { } b; // strong type, type conversion disabled
    };

    {
      const auto fb = to<foobar>(foo{.a=4, .b=2});
      expect(4 == fb.a and 0 == fb.b);
    }
  }

  // size_of
  {
    struct s {
      float a;
      char b;
      char bb;
      int c;
    };

    static_assert(sizeof(float) == size_of<0, s>());
    static_assert(sizeof(char) == size_of<1, s>());
    static_assert(sizeof(char) == size_of<2, s>());
    static_assert(sizeof(int) == size_of<3, s>());
  }

  // align_of
  {
    struct s {
      float a;
      char b;
      char bb;
      int c;
    };

    static_assert(alignof(float) == align_of<0, s>());
    static_assert(alignof(char) == align_of<1, s>());
    static_assert(alignof(char) == align_of<2, s>());
    static_assert(alignof(int) == align_of<3, s>());
  }

  // offset_of
  {
    struct s {
      float a;
      char b;
      char bb;
      int c;
    };

    #pragma pack(push, 1)
    struct s2 {
      float a;
      char b;
      char bb;
      int c;
      double d;
      char e;
    };
    #pragma pack(pop)

    struct a {
      int i;
      int j;
    };

    struct b {
      int i;
      int k;
    };

    struct al {
      char a;
      int b;
      char c;
    };

    static_assert(offset_of<0, a>() == 0);
    static_assert(offset_of<1, a>() == sizeof(int));
    static_assert(offset_of<0, b>() == 0);
    static_assert(offset_of<1, b>() == sizeof(int));
    static_assert(offset_of<0, s>() == 0);
    static_assert(offset_of<1, s>() == sizeof(float));
    static_assert(offset_of<2, s>() == sizeof(float) + sizeof(char));
    static_assert(offset_of<3, s>() == alignof(s)*2);
    static_assert(offset_of<0, s2>() == 0);
    static_assert(offset_of<1, s2>() == sizeof(float));
    static_assert(offset_of<2, s2>() == sizeof(float) + sizeof(char));
    static_assert(offset_of<3, s2>() == sizeof(float) + sizeof(char) + sizeof(char));
    static_assert(offset_of<4, s2>() == sizeof(float) + sizeof(char) + sizeof(char) + sizeof(int));
    static_assert(offset_of<5, s2>() == sizeof(float) + sizeof(char) + sizeof(char) + sizeof(int) + sizeof(double));
    static_assert(offset_of<0, al>() == 0);
    static_assert(offset_of<1, al>() == sizeof(char)*2);
    static_assert(offset_of<2, al>() == sizeof(char)*2 + sizeof(int));
  }

  // for_each
  {
    struct foo { short _1; int _2; } f{._1=1, ._2=2};

    std::array<std::size_t, size(f)> size_of{};
    std::array<std::size_t, size(f)> align_of{};
    std::array<std::size_t, size(f)> offset_of{};
    std::array<std::string_view, size(f)> name{};
    std::array<std::string_view, size(f)> type{};
    std::array<std::common_type_t<short, int>, size(f)> value{};

    auto i = 0;
    for_each([&](auto I) {
      size_of[i] = reflect::size_of<I>(f);
      align_of[i] = reflect::align_of<I>(f);
      offset_of[i] = reflect::offset_of<I>(f);
      name[i] = reflect::member_name<I>(f);
      type[i] = reflect::type_name(reflect::get<I>(f));
      value[i] = reflect::get<I>(f);
      ++i;
    }, f);

    expect(2 == i);
    expect(sizeof(f._1) == size_of[0] and sizeof(f._2) == size_of[1]);
    expect(alignof(short) == align_of[0] and alignof(int) == align_of[1]);
    expect(0 == offset_of[0] and 4 == offset_of[1]);
    expect(std::string_view{"_1"} == name[0] and std::string_view{"_2"} == name[1]);
    expect(f._1 == value[0] and f._2 == value[1]);
  }
}(), true));
#endif // NTEST