diff --git a/include/flux/core/inline_sequence_base.hpp b/include/flux/core/inline_sequence_base.hpp
index 11554fa9..5fcd6f14 100644
--- a/include/flux/core/inline_sequence_base.hpp
+++ b/include/flux/core/inline_sequence_base.hpp
@@ -235,7 +235,7 @@ struct inline_sequence_base {
                      (multipass_sequence<Derived> && not infinite_sequence<Derived>);
 
     [[nodiscard]]
-    constexpr auto chunk(std::integral auto chunk_sz) &&;
+    constexpr auto chunk(num::integral auto chunk_sz) &&;
 
     template <typename Pred>
         requires multipass_sequence<Derived> &&
@@ -251,7 +251,7 @@ struct inline_sequence_base {
             requires infinite_sequence<Derived> || multipass_sequence<Derived>;
 
     [[nodiscard]]
-    constexpr auto cycle(std::integral auto count) && requires multipass_sequence<Derived>;
+    constexpr auto cycle(num::integral auto count) && requires multipass_sequence<Derived>;
 
     [[nodiscard]]
     constexpr auto dedup() &&
@@ -259,7 +259,7 @@ struct inline_sequence_base {
                  std::equality_comparable<element_t<Derived>>;
 
     [[nodiscard]]
-    constexpr auto drop(std::integral auto count) &&;
+    constexpr auto drop(num::integral auto count) &&;
 
     template <typename Pred>
         requires std::predicate<Pred&, element_t<Derived>>
@@ -338,7 +338,7 @@ struct inline_sequence_base {
     constexpr auto scan_first(Func func) &&;
 
     [[nodiscard]]
-    constexpr auto slide(std::integral auto win_sz) && requires multipass_sequence<Derived>;
+    constexpr auto slide(num::integral auto win_sz) && requires multipass_sequence<Derived>;
 
     template <typename Pattern>
         requires multipass_sequence<Derived> &&
@@ -364,10 +364,10 @@ struct inline_sequence_base {
     constexpr auto split_string(Pattern&& pattern) &&;
 
     [[nodiscard]]
-    constexpr auto stride(std::integral auto by) &&;
+    constexpr auto stride(num::integral auto by) &&;
 
     [[nodiscard]]
-    constexpr auto take(std::integral auto count) &&;
+    constexpr auto take(num::integral auto count) &&;
 
     template <typename Pred>
         requires std::predicate<Pred&, element_t<Derived>>
diff --git a/include/flux/op/chunk.hpp b/include/flux/op/chunk.hpp
index b1dadac6..5124a49f 100644
--- a/include/flux/op/chunk.hpp
+++ b/include/flux/op/chunk.hpp
@@ -298,7 +298,7 @@ struct chunk_adaptor<Base> : inline_sequence_base<chunk_adaptor<Base>> {
 struct chunk_fn {
     template <adaptable_sequence Seq>
     [[nodiscard]]
-    constexpr auto operator()(Seq&& seq, std::integral auto chunk_sz) const
+    constexpr auto operator()(Seq&& seq, num::integral auto chunk_sz) const
         -> sequence auto
     {
         FLUX_ASSERT(chunk_sz > 0);
@@ -312,7 +312,7 @@ struct chunk_fn {
 FLUX_EXPORT inline constexpr auto chunk = detail::chunk_fn{};
 
 template <typename D>
-constexpr auto inline_sequence_base<D>::chunk(std::integral auto chunk_sz) &&
+constexpr auto inline_sequence_base<D>::chunk(num::integral auto chunk_sz) &&
 {
     return flux::chunk(std::move(derived()), chunk_sz);
 }
diff --git a/include/flux/op/cycle.hpp b/include/flux/op/cycle.hpp
index bea9d9b6..b7c0572e 100644
--- a/include/flux/op/cycle.hpp
+++ b/include/flux/op/cycle.hpp
@@ -225,7 +225,7 @@ struct cycle_fn {
     template <adaptable_sequence Seq>
         requires multipass_sequence<Seq>
     [[nodiscard]]
-    constexpr auto operator()(Seq&& seq, std::integral auto count) const
+    constexpr auto operator()(Seq&& seq, num::integral auto count) const
         -> multipass_sequence auto
     {
         auto c = num::checked_cast<distance_t>(count);
@@ -249,7 +249,7 @@ constexpr auto inline_sequence_base<D>::cycle() &&
 }
 
 template <typename D>
-constexpr auto inline_sequence_base<D>::cycle(std::integral auto count) &&
+constexpr auto inline_sequence_base<D>::cycle(num::integral auto count) &&
     requires multipass_sequence<D>
 {
     return flux::cycle(std::move(derived()), count);
diff --git a/include/flux/op/drop.hpp b/include/flux/op/drop.hpp
index d47d3123..f1ceb30c 100644
--- a/include/flux/op/drop.hpp
+++ b/include/flux/op/drop.hpp
@@ -64,7 +64,7 @@ struct drop_adaptor : inline_sequence_base<drop_adaptor<Base>> {
 struct drop_fn {
     template <adaptable_sequence Seq>
     [[nodiscard]]
-    constexpr auto operator()(Seq&& seq, std::integral auto count) const
+    constexpr auto operator()(Seq&& seq, num::integral auto count) const
     {
         auto count_ = num::checked_cast<distance_t>(count);
         if (count_ < 0) {
@@ -81,7 +81,7 @@ struct drop_fn {
 FLUX_EXPORT inline constexpr auto drop = detail::drop_fn{};
 
 template <typename Derived>
-constexpr auto inline_sequence_base<Derived>::drop(std::integral auto count) &&
+constexpr auto inline_sequence_base<Derived>::drop(num::integral auto count) &&
 {
     return flux::drop(std::move(derived()), count);
 }
diff --git a/include/flux/op/slide.hpp b/include/flux/op/slide.hpp
index 9cdcf352..45ec9177 100644
--- a/include/flux/op/slide.hpp
+++ b/include/flux/op/slide.hpp
@@ -128,7 +128,7 @@ struct slide_fn {
 FLUX_EXPORT inline constexpr auto slide = detail::slide_fn{};
 
 template <typename D>
-constexpr auto inline_sequence_base<D>::slide(std::integral auto win_sz) &&
+constexpr auto inline_sequence_base<D>::slide(num::integral auto win_sz) &&
         requires multipass_sequence<D>
 {
     FLUX_ASSERT(win_sz > 0);
diff --git a/include/flux/op/stride.hpp b/include/flux/op/stride.hpp
index 5045773f..001a523a 100644
--- a/include/flux/op/stride.hpp
+++ b/include/flux/op/stride.hpp
@@ -254,7 +254,7 @@ struct stride_adaptor<Base> : inline_sequence_base<stride_adaptor<Base>> {
 struct stride_fn {
     template <adaptable_sequence Seq>
     [[nodiscard]]
-    constexpr auto operator()(Seq&& seq, std::integral auto by) const
+    constexpr auto operator()(Seq&& seq, num::integral auto by) const
     {
         FLUX_ASSERT(by > 0);
         return stride_adaptor<std::decay_t<Seq>>(FLUX_FWD(seq),
@@ -267,7 +267,7 @@ struct stride_fn {
 FLUX_EXPORT inline constexpr auto stride = detail::stride_fn{};
 
 template <typename D>
-constexpr auto inline_sequence_base<D>::stride(std::integral auto by) &&
+constexpr auto inline_sequence_base<D>::stride(num::integral auto by) &&
 {
     return flux::stride(std::move(derived()), by);
 }
diff --git a/include/flux/op/take.hpp b/include/flux/op/take.hpp
index 44b52f79..4142d32f 100644
--- a/include/flux/op/take.hpp
+++ b/include/flux/op/take.hpp
@@ -148,7 +148,7 @@ struct take_adaptor : inline_sequence_base<take_adaptor<Base>>
 struct take_fn {
     template <adaptable_sequence Seq>
     [[nodiscard]]
-    constexpr auto operator()(Seq&& seq, std::integral auto count) const
+    constexpr auto operator()(Seq&& seq, num::integral auto count) const
     {
         auto count_ = num::checked_cast<distance_t>(count);
         if (count_ < 0) {
@@ -164,7 +164,7 @@ struct take_fn {
 FLUX_EXPORT inline constexpr auto take = detail::take_fn{};
 
 template <typename Derived>
-constexpr auto inline_sequence_base<Derived>::take(std::integral auto count) &&
+constexpr auto inline_sequence_base<Derived>::take(num::integral auto count) &&
 {
     return flux::take(std::move(derived()), count);
 }
diff --git a/include/flux/source/array_ptr.hpp b/include/flux/source/array_ptr.hpp
index 789658d7..85b41cb4 100644
--- a/include/flux/source/array_ptr.hpp
+++ b/include/flux/source/array_ptr.hpp
@@ -158,7 +158,7 @@ namespace detail {
 struct make_array_ptr_unchecked_fn {
     template <typename T>
         requires (std::is_object_v<T> && !std::is_abstract_v<T>)
-    constexpr auto operator()(T* ptr, std::integral auto size) const -> array_ptr<T>
+    constexpr auto operator()(T* ptr, num::integral auto size) const -> array_ptr<T>
     {
         return array_ptr<T>(ptr, num::checked_cast<distance_t>(size));
     }
diff --git a/include/flux/source/repeat.hpp b/include/flux/source/repeat.hpp
index 32568218..79725b12 100644
--- a/include/flux/source/repeat.hpp
+++ b/include/flux/source/repeat.hpp
@@ -125,7 +125,7 @@ struct repeat_fn {
 
     template <typename T>
         requires std::movable<std::decay_t<T>>
-    constexpr auto operator()(T&& obj, std::integral auto count) const
+    constexpr auto operator()(T&& obj, num::integral auto count) const
     {
         auto c = num::checked_cast<distance_t>(count);
         if (c < 0) {