librepr::detail::tuple_like Concept Reference

#include <concepts.h>

Concept definition

template<typename T>
concept librepr::detail::tuple_like =  !std::is_reference_v<T> && requires {
  typename std::tuple_size<T>::type;
  requires std::same_as<decltype(std::tuple_size_v<T>), size_t>;
} && []<std::size_t... I>(std::index_sequence<I...>) {
  return (is_tuple_element<T, I> && ...);
}(std::make_index_sequence<std::tuple_size_v<T>>{})