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_NOEXCEPT_MOVE_ASSIGN_CONTAINER_H 10 #define _LIBCPP___TYPE_TRAITS_NOEXCEPT_MOVE_ASSIGN_CONTAINER_H 11 12 #include <__config> 13 #include <__memory/allocator_traits.h> 14 #include <__type_traits/integral_constant.h> 15 #include <__type_traits/is_nothrow_assignable.h> 16 17 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18 # pragma GCC system_header 19 #endif 20 21 _LIBCPP_BEGIN_NAMESPACE_STD 22 23 template <typename _Alloc, typename _Traits = allocator_traits<_Alloc> > 24 struct __noexcept_move_assign_container 25 : public integral_constant<bool, 26 _Traits::propagate_on_container_move_assignment::value 27 #if _LIBCPP_STD_VER >= 17 28 || _Traits::is_always_equal::value 29 #else 30 && is_nothrow_move_assignable<_Alloc>::value 31 #endif 32 > { 33 }; 34 35 _LIBCPP_END_NAMESPACE_STD 36 37 #endif // _LIBCPP___TYPE_TRAITS_NOEXCEPT_MOVE_ASSIGN_CONTAINER_H 38