diff options
Diffstat (limited to 'libstdc++-v3/include/std/utility')
| -rw-r--r-- | libstdc++-v3/include/std/utility | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/libstdc++-v3/include/std/utility b/libstdc++-v3/include/std/utility index 006b19c..f30e802 100644 --- a/libstdc++-v3/include/std/utility +++ b/libstdc++-v3/include/std/utility @@ -68,6 +68,14 @@ #include <bits/stl_relops.h> #include <bits/stl_pair.h> +#define __glibcxx_want_exchange_function +#define __glibcxx_want_constexpr_algorithms +#define __glibcxx_want_as_const +#define __glibcxx_want_integer_comparison_functions +#define __glibcxx_want_to_underlying +#define __glibcxx_want_unreachable +#include <bits/version.h> + #if __cplusplus >= 201103L #include <initializer_list> @@ -83,13 +91,7 @@ namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION -#if __cplusplus >= 201402L -#define __cpp_lib_exchange_function 201304L - -#if __cplusplus > 201703L -# define __cpp_lib_constexpr_algorithms 201806L -#endif - +#ifdef __cpp_lib_exchange_function // C++ >= 14 /// Assign @p __new_val to @p __obj and return its previous value. template <typename _Tp, typename _Up = _Tp> _GLIBCXX20_CONSTEXPR @@ -98,10 +100,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION noexcept(__and_<is_nothrow_move_constructible<_Tp>, is_nothrow_assignable<_Tp&, _Up>>::value) { return std::__exchange(__obj, std::forward<_Up>(__new_val)); } +#endif -#if __cplusplus >= 201703L - -#define __cpp_lib_as_const 201510L +#ifdef __cpp_lib_as_const // C++ >= 17 template<typename _Tp> [[nodiscard]] constexpr add_const_t<_Tp>& @@ -110,10 +111,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION template<typename _Tp> void as_const(const _Tp&&) = delete; +#endif -#if __cplusplus > 201703L -#define __cpp_lib_integer_comparison_functions 202002L - +#ifdef __cpp_lib_integer_comparison_functions // C++ >= 20 template<typename _Tp, typename _Up> constexpr bool cmp_equal(_Tp __t, _Up __u) noexcept @@ -181,17 +181,18 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION else return __t <= make_unsigned_t<_Up>(__int_traits<_Up>::__max); } +#endif // __cpp_lib_integer_comparison_functions -#if __cplusplus > 202002L -#define __cpp_lib_to_underlying 202102L +#ifdef __cpp_lib_to_underlying // C++ >= 23 /// Convert an object of enumeration type to its underlying type. template<typename _Tp> [[nodiscard]] constexpr underlying_type_t<_Tp> to_underlying(_Tp __value) noexcept { return static_cast<underlying_type_t<_Tp>>(__value); } +#endif -#define __cpp_lib_unreachable 202202L +#ifdef __cpp_lib_unreachable // C++ >= 23 /// Informs the compiler that program control flow never reaches this point. /** * Evaluating a call to this function results in undefined behaviour. @@ -216,10 +217,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION __builtin_unreachable(); #endif } -#endif // C++23 -#endif // C++20 -#endif // C++17 -#endif // C++14 +#endif _GLIBCXX_END_NAMESPACE_VERSION } // namespace |