1*2e43a304SNikolas Klauser //===----------------------------------------------------------------------===// 2*2e43a304SNikolas Klauser // 3*2e43a304SNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*2e43a304SNikolas Klauser // See https://llvm.org/LICENSE.txt for license information. 5*2e43a304SNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*2e43a304SNikolas Klauser // 7*2e43a304SNikolas Klauser //===----------------------------------------------------------------------===// 8*2e43a304SNikolas Klauser 9*2e43a304SNikolas Klauser #ifndef _LIBCPP___VECTOR_CONTAINER_TRAITS_H 10*2e43a304SNikolas Klauser #define _LIBCPP___VECTOR_CONTAINER_TRAITS_H 11*2e43a304SNikolas Klauser 12*2e43a304SNikolas Klauser #include <__config> 13*2e43a304SNikolas Klauser #include <__fwd/vector.h> 14*2e43a304SNikolas Klauser #include <__memory/allocator_traits.h> 15*2e43a304SNikolas Klauser #include <__type_traits/container_traits.h> 16*2e43a304SNikolas Klauser #include <__type_traits/disjunction.h> 17*2e43a304SNikolas Klauser #include <__type_traits/is_nothrow_constructible.h> 18*2e43a304SNikolas Klauser 19*2e43a304SNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 20*2e43a304SNikolas Klauser # pragma GCC system_header 21*2e43a304SNikolas Klauser #endif 22*2e43a304SNikolas Klauser 23*2e43a304SNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD 24*2e43a304SNikolas Klauser 25*2e43a304SNikolas Klauser template <class _Tp, class _Allocator> 26*2e43a304SNikolas Klauser struct __container_traits<vector<_Tp, _Allocator> > { 27*2e43a304SNikolas Klauser // http://eel.is/c++draft/vector.modifiers#2 28*2e43a304SNikolas Klauser // If an exception is thrown other than by the copy constructor, move constructor, assignment operator, or move 29*2e43a304SNikolas Klauser // assignment operator of T or by any InputIterator operation, there are no effects. If an exception is thrown while 30*2e43a304SNikolas Klauser // inserting a single element at the end and T is Cpp17CopyInsertable or is_nothrow_move_constructible_v<T> is true, 31*2e43a304SNikolas Klauser // there are no effects. Otherwise, if an exception is thrown by the move constructor of a non-Cpp17CopyInsertable T, 32*2e43a304SNikolas Klauser // the effects are unspecified. 33*2e43a304SNikolas Klauser static _LIBCPP_CONSTEXPR const bool __emplacement_has_strong_exception_safety_guarantee = 34*2e43a304SNikolas Klauser _Or<is_nothrow_move_constructible<_Tp>, __is_cpp17_copy_insertable<_Allocator> >::value; 35*2e43a304SNikolas Klauser }; 36*2e43a304SNikolas Klauser 37*2e43a304SNikolas Klauser _LIBCPP_END_NAMESPACE_STD 38*2e43a304SNikolas Klauser 39*2e43a304SNikolas Klauser #endif // _LIBCPP___VECTOR_CONTAINER_TRAITS_H 40