| // Variable Templates For Type Traits -*- C++ -*- |
| |
| // Copyright (C) 2014-2015 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| /** @file experimental/type_traits |
| * This is a TS C++ Library header. |
| */ |
| |
| // |
| // N3932 Variable Templates For Type Traits (Revision 1) |
| // |
| |
| #ifndef _GLIBCXX_EXPERIMENTAL_TYPE_TRAITS |
| #define _GLIBCXX_EXPERIMENTAL_TYPE_TRAITS 1 |
| |
| #pragma GCC system_header |
| |
| #if __cplusplus <= 201103L |
| # include <bits/c++14_warning.h> |
| #else |
| |
| #include <type_traits> |
| |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| namespace experimental |
| { |
| inline namespace fundamentals_v1 |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| #define __cpp_lib_experimental_type_trait_variable_templates 201402 |
| |
| // See C++14 §20.10.4.1, primary type categories |
| template <typename _Tp> |
| constexpr bool is_void_v = is_void<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_null_pointer_v = is_null_pointer<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_integral_v = is_integral<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_floating_point_v = is_floating_point<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_array_v = is_array<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_pointer_v = is_pointer<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_lvalue_reference_v = is_lvalue_reference<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_rvalue_reference_v = is_rvalue_reference<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_member_object_pointer_v = |
| is_member_object_pointer<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_member_function_pointer_v = |
| is_member_function_pointer<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_enum_v = is_enum<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_union_v = is_union<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_class_v = is_class<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_function_v = is_function<_Tp>::value; |
| |
| // See C++14 §20.10.4.2, composite type categories |
| template <typename _Tp> |
| constexpr bool is_reference_v = is_reference<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_arithmetic_v = is_arithmetic<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_fundamental_v = is_fundamental<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_object_v = is_object<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_scalar_v = is_scalar<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_compound_v = is_compound<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_member_pointer_v = is_member_pointer<_Tp>::value; |
| |
| // See C++14 §20.10.4.3, type properties |
| template <typename _Tp> |
| constexpr bool is_const_v = is_const<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_volatile_v = is_volatile<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_trivial_v = is_trivial<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_trivially_copyable_v = is_trivially_copyable<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_standard_layout_v = is_standard_layout<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_pod_v = is_pod<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_literal_type_v = is_literal_type<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_empty_v = is_empty<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_polymorphic_v = is_polymorphic<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_abstract_v = is_abstract<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_final_v = is_final<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_signed_v = is_signed<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_unsigned_v = is_unsigned<_Tp>::value; |
| template <typename _Tp, typename... _Args> |
| constexpr bool is_constructible_v = is_constructible<_Tp, _Args...>::value; |
| template <typename _Tp> |
| constexpr bool is_default_constructible_v = |
| is_default_constructible<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_copy_constructible_v = is_copy_constructible<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_move_constructible_v = is_move_constructible<_Tp>::value; |
| template <typename _Tp, typename _Up> |
| constexpr bool is_assignable_v = is_assignable<_Tp, _Up>::value; |
| template <typename _Tp> |
| constexpr bool is_copy_assignable_v = is_copy_assignable<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_move_assignable_v = is_move_assignable<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_destructible_v = is_destructible<_Tp>::value; |
| template <typename _Tp, typename... _Args> |
| constexpr bool is_trivially_constructible_v = |
| is_trivially_constructible<_Tp, _Args...>::value; |
| template <typename _Tp> |
| constexpr bool is_trivially_default_constructible_v = |
| is_trivially_default_constructible<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_trivially_copy_constructible_v = |
| is_trivially_copy_constructible<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_trivially_move_constructible_v = |
| is_trivially_move_constructible<_Tp>::value; |
| template <typename _Tp, typename _Up> |
| constexpr bool is_trivially_assignable_v = |
| is_trivially_assignable<_Tp, _Up>::value; |
| template <typename _Tp> |
| constexpr bool is_trivially_copy_assignable_v = |
| is_trivially_copy_assignable<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_trivially_move_assignable_v = |
| is_trivially_move_assignable<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_trivially_destructible_v = |
| is_trivially_destructible<_Tp>::value; |
| template <typename _Tp, typename... _Args> |
| constexpr bool is_nothrow_constructible_v = |
| is_nothrow_constructible<_Tp, _Args...>::value; |
| template <typename _Tp> |
| constexpr bool is_nothrow_default_constructible_v = |
| is_nothrow_default_constructible<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_nothrow_copy_constructible_v = |
| is_nothrow_copy_constructible<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_nothrow_move_constructible_v = |
| is_nothrow_move_constructible<_Tp>::value; |
| template <typename _Tp, typename _Up> |
| constexpr bool is_nothrow_assignable_v = |
| is_nothrow_assignable<_Tp, _Up>::value; |
| template <typename _Tp> |
| constexpr bool is_nothrow_copy_assignable_v = |
| is_nothrow_copy_assignable<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_nothrow_move_assignable_v = |
| is_nothrow_move_assignable<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool is_nothrow_destructible_v = |
| is_nothrow_destructible<_Tp>::value; |
| template <typename _Tp> |
| constexpr bool has_virtual_destructor_v = |
| has_virtual_destructor<_Tp>::value; |
| |
| // See C++14 §20.10.5, type property queries |
| template <typename _Tp> |
| constexpr size_t alignment_of_v = alignment_of<_Tp>::value; |
| template <typename _Tp> |
| constexpr size_t rank_v = rank<_Tp>::value; |
| template <typename _Tp, unsigned _Idx = 0> |
| constexpr size_t extent_v = extent<_Tp, _Idx>::value; |
| |
| // See C++14 §20.10.6, type relations |
| template <typename _Tp, typename _Up> |
| constexpr bool is_same_v = is_same<_Tp, _Up>::value; |
| template <typename _Base, typename _Derived> |
| constexpr bool is_base_of_v = is_base_of<_Base, _Derived>::value; |
| template <typename _From, typename _To> |
| constexpr bool is_convertible_v = is_convertible<_From, _To>::value; |
| |
| |
| // 3.3.2, Other type transformations |
| // invocation_type (still unimplemented) |
| // raw_invocation_type (still unimplemented) |
| // invocation_type_t (still unimplemented) |
| // raw_invocation_type_t (still unimplemented) |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace fundamentals_v1 |
| } // namespace experimental |
| } // namespace std |
| |
| #endif // __cplusplus <= 201103L |
| |
| #endif // _GLIBCXX_EXPERIMENTAL_TYPE_TRAITS |