compat.hpp

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#pragma once
 
#include <Settings/NamespaceSettings.hpp>
 
#include <cstddef>
#include <type_traits>
#include <utility>
 
BEGIN_CS_NAMESPACE
 
#if __cplusplus >= 201703L
 
namespace compat {
using std::byte;
using std::in_place;
using std::in_place_t;
using std::in_place_type;
using std::in_place_type_t;
} // namespace compat
 
#else
 
namespace compat {
struct in_place_t {
    explicit in_place_t() = default;
};
static in_place_t in_place {};
template <class T>
struct in_place_type_t {
    explicit in_place_type_t() = default;
};
template <class T>
static in_place_type_t<T> in_place_type {};
enum class byte : unsigned char {};
} // namespace compat
 
#endif
 
#if __cplusplus >= 202002L
 
namespace compat {
using std::remove_cvref;
} // namespace compat
 
#else
 
namespace compat {
template <class T>
struct remove_cvref {
    using type =
        typename std::remove_cv<typename std::remove_reference<T>::type>::type;
};
} // namespace compat
 
#endif
 
END_CS_NAMESPACE