// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
export namespace std {
// [meta.help], helper class
using std::integral_constant;
using std::bool_constant;
using std::false_type;
using std::true_type;
// [meta.unary.cat], primary type categories
using std::is_array;
using std::is_class;
using std::is_enum;
using std::is_floating_point;
using std::is_function;
using std::is_integral;
using std::is_lvalue_reference;
using std::is_member_function_pointer;
using std::is_member_object_pointer;
using std::is_null_pointer;
using std::is_pointer;
using std::is_rvalue_reference;
using std::is_union;
using std::is_void;
// [meta.unary.comp], composite type categories
using std::is_arithmetic;
using std::is_compound;
using std::is_fundamental;
using std::is_member_pointer;
using std::is_object;
using std::is_reference;
using std::is_scalar;
// [meta.unary.prop], type properties
using std::is_abstract;
using std::is_aggregate;
using std::is_const;
using std::is_empty;
using std::is_final;
using std::is_polymorphic;
using std::is_standard_layout;
using std::is_trivial;
using std::is_trivially_copyable;
using std::is_volatile;
using std::is_bounded_array;
#if _LIBCPP_STD_VER >= 23
using std::is_scoped_enum;
#endif
using std::is_signed;
using std::is_unbounded_array;
using std::is_unsigned;
using std::is_constructible;
using std::is_copy_constructible;
using std::is_default_constructible;
using std::is_move_constructible;
using std::is_assignable;
using std::is_copy_assignable;
using std::is_move_assignable;
using std::is_swappable;
using std::is_swappable_with;
using std::is_destructible;
using std::is_trivially_constructible;
using std::is_trivially_copy_constructible;
using std::is_trivially_default_constructible;
using std::is_trivially_move_constructible;
using std::is_trivially_assignable;
using std::is_trivially_copy_assignable;
using std::is_trivially_destructible;
using std::is_trivially_move_assignable;
using std::is_nothrow_constructible;
using std::is_nothrow_copy_constructible;
using std::is_nothrow_default_constructible;
using std::is_nothrow_move_constructible;
using std::is_nothrow_assignable;
using std::is_nothrow_copy_assignable;
using std::is_nothrow_move_assignable;
using std::is_nothrow_swappable;
using std::is_nothrow_swappable_with;
using std::is_nothrow_destructible;
// using std::is_implicit_lifetime;
using std::has_virtual_destructor;
using std::has_unique_object_representations;
// using std::reference_constructs_from_temporary;
// using std::reference_converts_from_temporary;
// [meta.unary.prop.query], type property queries
using std::alignment_of;
using std::extent;
using std::rank;
// [meta.rel], type relations
using std::is_base_of;
#if _LIBCPP_STD_VER >= 26 && __has_builtin(__builtin_is_virtual_base_of)
using std::is_virtual_base_of;
#endif
using std::is_convertible;
// using std::is_layout_compatible;
using std::is_nothrow_convertible;
// using std::is_pointer_interconvertible_base_of;
using std::is_same;
using std::is_invocable;
using std::is_invocable_r;
using std::is_nothrow_invocable;
using std::is_nothrow_invocable_r;
// [meta.trans.cv], const-volatile modifications
using std::add_const;
using std::add_cv;
using std::add_volatile;
using std::remove_const;
using std::remove_cv;
using std::remove_volatile;
using std::add_const_t;
using std::add_cv_t;
using std::add_volatile_t;
using std::remove_const_t;
using std::remove_cv_t;
using std::remove_volatile_t;
// [meta.trans.ref], reference modifications
using std::add_lvalue_reference;
using std::add_rvalue_reference;
using std::remove_reference;
using std::add_lvalue_reference_t;
using std::add_rvalue_reference_t;
using std::remove_reference_t;
// [meta.trans.sign], sign modifications
using std::make_signed;
using std::make_unsigned;
using std::make_signed_t;
using std::make_unsigned_t;
// [meta.trans.arr], array modifications
using std::remove_all_extents;
using std::remove_extent;
using std::remove_all_extents_t;
using std::remove_extent_t;
// [meta.trans.ptr], pointer modifications
using std::add_pointer;
using std::remove_pointer;
using std::add_pointer_t;
using std::remove_pointer_t;
// [meta.trans.other], other transformations
using std::basic_common_reference;
using std::common_reference;
using std::common_type;
using std::conditional;
using std::decay;
using std::enable_if;
using std::invoke_result;
using std::remove_cvref;
using std::type_identity;
using std::underlying_type;
using std::unwrap_ref_decay;
using std::unwrap_reference;
using std::common_reference_t;
using std::common_type_t;
using std::conditional_t;
using std::decay_t;
using std::enable_if_t;
using std::invoke_result_t;
using std::remove_cvref_t;
using std::type_identity_t;
using std::underlying_type_t;
using std::unwrap_ref_decay_t;
using std::unwrap_reference_t;
using std::void_t;
// [meta.logical], logical operator traits
using std::conjunction;
using std::disjunction;
using std::negation;
// [meta.unary.cat], primary type categories
using std::is_array_v;
using std::is_class_v;
using std::is_enum_v;
using std::is_floating_point_v;
using std::is_function_v;
using std::is_integral_v;
using std::is_lvalue_reference_v;
using std::is_member_function_pointer_v;
using std::is_member_object_pointer_v;
using std::is_null_pointer_v;
using std::is_pointer_v;
using std::is_rvalue_reference_v;
using std::is_union_v;
using std::is_void_v;
// [meta.unary.comp], composite type categories
using std::is_arithmetic_v;
using std::is_compound_v;
using std::is_fundamental_v;
using std::is_member_pointer_v;
using std::is_object_v;
using std::is_reference_v;
using std::is_scalar_v;
// [meta.unary.prop], type properties
using std::has_unique_object_representations_v;
using std::has_virtual_destructor_v;
using std::is_abstract_v;
using std::is_aggregate_v;
using std::is_assignable_v;
using std::is_bounded_array_v;
using std::is_const_v;
using std::is_constructible_v;
using std::is_copy_assignable_v;
using std::is_copy_constructible_v;
using std::is_default_constructible_v;
using std::is_destructible_v;
using std::is_empty_v;
using std::is_final_v;
// using std::is_implicit_lifetime_v;
using std::is_move_assignable_v;
using std::is_move_constructible_v;
using std::is_nothrow_assignable_v;
using std::is_nothrow_constructible_v;
using std::is_nothrow_copy_assignable_v;
using std::is_nothrow_copy_constructible_v;
using std::is_nothrow_default_constructible_v;
using std::is_nothrow_destructible_v;
using std::is_nothrow_move_assignable_v;
using std::is_nothrow_move_constructible_v;
using std::is_nothrow_swappable_v;
using std::is_nothrow_swappable_with_v;
using std::is_polymorphic_v;
#if _LIBCPP_STD_VER >= 23
using std::is_scoped_enum_v;
#endif
using std::is_signed_v;
using std::is_standard_layout_v;
using std::is_swappable_v;
using std::is_swappable_with_v;
using std::is_trivial_v;
using std::is_trivially_assignable_v;
using std::is_trivially_constructible_v;
using std::is_trivially_copy_assignable_v;
using std::is_trivially_copy_constructible_v;
using std::is_trivially_copyable_v;
using std::is_trivially_default_constructible_v;
using std::is_trivially_destructible_v;
using std::is_trivially_move_assignable_v;
using std::is_trivially_move_constructible_v;
using std::is_unbounded_array_v;
using std::is_unsigned_v;
using std::is_volatile_v;
// using std::reference_constructs_from_temporary_v;
// using std::reference_converts_from_temporary_v;
// [meta.unary.prop.query], type property queries
using std::alignment_of_v;
using std::extent_v;
using std::rank_v;
// [meta.rel], type relations
using std::is_base_of_v;
#if _LIBCPP_STD_VER >= 26 && __has_builtin(__builtin_is_virtual_base_of)
using std::is_virtual_base_of_v;
#endif
using std::is_convertible_v;
using std::is_invocable_r_v;
using std::is_invocable_v;
// using std::is_layout_compatible_v;
using std::is_nothrow_convertible_v;
using std::is_nothrow_invocable_r_v;
using std::is_nothrow_invocable_v;
// using std::is_pointer_interconvertible_base_of_v;
using std::is_same_v;
// [meta.logical], logical operator traits
using std::conjunction_v;
using std::disjunction_v;
using std::negation_v;
// [meta.member], member relationships
// using std::is_corresponding_member;
// using std::is_pointer_interconvertible_with_class;
// [meta.const.eval], constant evaluation context
using std::is_constant_evaluated;
// [depr.meta.types]
using std::aligned_storage;
using std::aligned_storage_t;
using std::aligned_union;
using std::aligned_union_t;
using std::is_pod;
using std::is_pod_v;
} // namespace std