| // -*- C++ -*- |
| //===-------------------------- concepts ----------------------------------===// |
| // |
| // 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_CONCEPTS |
| #define _LIBCPP_CONCEPTS |
| |
| /* |
| concepts synopsis |
| namespace std { |
| // [concepts.lang], language-related concepts |
| // [concept.same], concept same_as |
| template<class T, class U> |
| concept same_as = see below; |
| |
| // [concept.derived], concept derived_from |
| template<class Derived, class Base> |
| concept derived_from = see below; |
| |
| // [concept.convertible], concept convertible_to |
| template<class From, class To> |
| concept convertible_to = see below; |
| |
| // [concept.commonref], concept common_reference_with |
| template<class T, class U> |
| concept common_reference_with = see below; |
| |
| // [concept.common], concept common_with |
| template<class T, class U> |
| concept common_with = see below; |
| |
| // [concepts.arithmetic], arithmetic concepts |
| template<class T> |
| concept integral = see below; |
| template<class T> |
| concept signed_integral = see below; |
| template<class T> |
| concept unsigned_integral = see below; |
| template<class T> |
| concept floating_point = see below; |
| |
| // [concept.assignable], concept assignable_from |
| template<class LHS, class RHS> |
| concept assignable_from = see below; |
| |
| // [concept.swappable], concept swappable |
| namespace ranges { |
| inline namespace unspecified { |
| inline constexpr unspecified swap = unspecified; |
| } |
| } |
| template<class T> |
| concept swappable = see below; |
| template<class T, class U> |
| concept swappable_with = see below; |
| |
| // [concept.destructible], concept destructible |
| template<class T> |
| concept destructible = see below; |
| |
| // [concept.constructible], concept constructible_from |
| template<class T, class... Args> |
| concept constructible_from = see below; |
| |
| // [concept.defaultconstructible], concept default_constructible |
| template<class T> |
| concept default_constructible = see below; |
| |
| // [concept.moveconstructible], concept move_constructible |
| template<class T> |
| concept move_constructible = see below; |
| |
| // [concept.copyconstructible], concept copy_constructible |
| template<class T> |
| concept copy_constructible = see below; |
| |
| // [concepts.compare], comparison concepts |
| // [concept.boolean], concept boolean |
| template<class B> |
| concept boolean = see below; |
| |
| // [concept.equalitycomparable], concept equality_comparable |
| template<class T> |
| concept equality_comparable = see below; |
| template<class T, class U> |
| concept equality_comparable_with = see below; |
| |
| // [concept.totallyordered], concept totally_ordered |
| template<class T> |
| concept totally_ordered = see below; |
| template<class T, class U> |
| concept totally_ordered_with = see below; |
| |
| // [concepts.object], object concepts |
| template<class T> |
| concept movable = see below; |
| template<class T> |
| concept copyable = see below; |
| template<class T> |
| concept semiregular = see below; |
| template<class T> |
| concept regular = see below; |
| |
| // [concepts.callable], callable concepts |
| // [concept.invocable], concept invocable |
| template<class F, class... Args> |
| concept invocable = see below; |
| |
| // [concept.regularinvocable], concept regular_invocable |
| template<class F, class... Args> |
| concept regular_invocable = see below; |
| |
| // [concept.predicate], concept predicate |
| template<class F, class... Args> |
| concept predicate = see below; |
| |
| // [concept.relation], concept relation |
| template<class R, class T, class U> |
| concept relation = see below; |
| |
| // [concept.equiv], concept equivalence_relation |
| template<class R, class T, class U> |
| concept equivalence_relation = see below; |
| |
| // [concept.strictweakorder], concept strict_weak_order |
| template<class R, class T, class U> |
| concept strict_weak_order = see below; |
| } |
| |
| */ |
| |
| #include <__config> |
| #include <type_traits> |
| #include <version> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_PUSH_MACROS |
| #include <__undef_macros> |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER > 17 && defined(__cpp_concepts) && __cpp_concepts >= 201811L |
| |
| // [concept.same] |
| |
| template<class _Tp, class _Up> |
| concept __same_as_impl = _VSTD::_IsSame<_Tp, _Up>::value; |
| |
| template<class _Tp, class _Up> |
| concept same_as = __same_as_impl<_Tp, _Up> && __same_as_impl<_Up, _Tp>; |
| |
| #endif //_LIBCPP_STD_VER > 17 && defined(__cpp_concepts) && __cpp_concepts >= 201811L |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| _LIBCPP_POP_MACROS |
| |
| #endif // _LIBCPP_CONCEPTS |