//===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #ifndef _LIBCPP___VECTOR_CONTAINER_TRAITS_H #define _LIBCPP___VECTOR_CONTAINER_TRAITS_H #include <__config> #include <__fwd/vector.h> #include <__memory/allocator_traits.h> #include <__type_traits/container_traits.h> #include <__type_traits/disjunction.h> #include <__type_traits/is_nothrow_constructible.h> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_STD template struct __container_traits > { // http://eel.is/c++draft/vector.modifiers#2 // If an exception is thrown other than by the copy constructor, move constructor, assignment operator, or move // assignment operator of T or by any InputIterator operation, there are no effects. If an exception is thrown while // inserting a single element at the end and T is Cpp17CopyInsertable or is_nothrow_move_constructible_v is true, // there are no effects. Otherwise, if an exception is thrown by the move constructor of a non-Cpp17CopyInsertable T, // the effects are unspecified. static _LIBCPP_CONSTEXPR const bool __emplacement_has_strong_exception_safety_guarantee = is_nothrow_move_constructible<_Tp>::value || __is_cpp17_copy_insertable_v<_Allocator>; static _LIBCPP_CONSTEXPR const bool __reservable = true; }; _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP___VECTOR_CONTAINER_TRAITS_H