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lambda_vari_wrap.hpp
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lambda_vari_wrap.hpp
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#pragma once
namespace nuf
{
template<auto first_call, auto starting_value>
struct lambda_variadic_wrapper
{
template<auto lambda, auto... lambdas>
constexpr auto and_then()
{
if constexpr ((sizeof(lambdas) + ... + 0) != 0)
{
return lambda_wrapper<lambda, starting_value>{}.and_then<lambdas...>().val_non_static;
}
else if constexpr ((sizeof(lambdas) + ... + 0) == 0)
{
return lambda_wrapper<lambda, starting_value>{}.val_non_static;
}
}
template<auto... lambdas, auto I>
constexpr auto skip_to()
{
return nuf::get_nth_element<I>(lambdas...)();
}
template<auto... lambdas>
constexpr auto skip_to_end()
{
return nuf::get_nth_element<size - 1>(lambdas)();
}
constexpr auto size = (sizeof(lambdas) + ... + 0);
static constexpr auto val = first_call<starting_value>();
decltype(first_call<starting_value>()) val_non_static = first_call<starting_value>();
};
} // namespace nuf