contrib/llvm-project/libcxx/include/__type_traits/is_nothrow_assignable.h

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef _LIBCPP___TYPE_TRAITS_IS_NOTHROW_ASSIGNABLE_H
  10 #define _LIBCPP___TYPE_TRAITS_IS_NOTHROW_ASSIGNABLE_H
  11
  12 #include <__config>
  13 #include <__type_traits/integral_constant.h>
  14
  15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  16 #  pragma GCC system_header
  17 #endif
  18
  19 _LIBCPP_BEGIN_NAMESPACE_STD
  20
  21 template <class _Tp, class _Arg>
  22 struct _LIBCPP_TEMPLATE_VIS is_nothrow_assignable : public integral_constant<bool, __is_nothrow_assignable(_Tp, _Arg)> {
  23 };
  24
  25 #if _LIBCPP_STD_VER >= 17
  26 template <class _Tp, class _Arg>
  27 inline constexpr bool is_nothrow_assignable_v = __is_nothrow_assignable(_Tp, _Arg);
  28 #endif
  29
  30 _LIBCPP_END_NAMESPACE_STD
  31
  32 #endif // _LIBCPP___TYPE_TRAITS_IS_NOTHROW_ASSIGNABLE_H