type_traits File Reference

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## Classes

struct | std::__is_nullptr_t< _Tp >
struct | std::add_const< _Tp >
struct | std::add_cv< _Tp >
struct | std::add_lvalue_reference< _Tp >
struct | std::add_pointer< _Tp >
struct | std::add_rvalue_reference< _Tp >
struct | std::add_volatile< _Tp >
struct | std::aligned_storage< _Len, _Align >
struct | std::aligned_union< _Len, _Types >
struct | std::alignment_of< _Tp >
struct | std::conditional< _Cond, _Iftrue, _Iffalse >
class | std::decay< _Tp >
struct | std::enable_if< bool, _Tp >
struct | std::extent< typename, _Uint >
struct | std::has_virtual_destructor< _Tp >
struct | std::integral_constant< _Tp, __v >
struct | std::invoke_result< _Functor, _ArgTypes >
struct | std::is_abstract< _Tp >
struct | std::is_arithmetic< _Tp >
struct | std::is_array< typename >
struct | std::is_assignable< _Tp, _Up >
struct | std::is_base_of< _Base, _Derived >
struct | std::is_class< _Tp >
struct | std::is_compound< _Tp >
struct | std::is_const< typename >
struct | std::is_constructible< _Tp, _Args >
struct | std::is_convertible< _From, _To >
struct | std::is_copy_assignable< _Tp >
struct | std::is_copy_constructible< _Tp >
struct | std::is_default_constructible< _Tp >
struct | std::is_destructible< _Tp >
struct | std::is_empty< _Tp >
struct | std::is_enum< _Tp >
struct | std::is_final< _Tp >
struct | std::is_floating_point< _Tp >
struct | std::is_function< _Tp >
struct | std::is_fundamental< _Tp >
struct | std::is_integral< _Tp >
struct | std::is_invocable< _Fn, _ArgTypes >
struct | std::is_invocable_r< _Ret, _Fn, _ArgTypes >
struct | std::is_literal_type< _Tp >
struct | std::is_lvalue_reference< typename >
struct | std::is_member_function_pointer< _Tp >
struct | std::is_member_object_pointer< _Tp >
struct | std::is_member_pointer< _Tp >
struct | std::is_move_assignable< _Tp >
struct | std::is_move_constructible< _Tp >
struct | std::is_nothrow_assignable< _Tp, _Up >
struct | std::is_nothrow_constructible< _Tp, _Args >
struct | std::is_nothrow_copy_assignable< _Tp >
struct | std::is_nothrow_copy_constructible< _Tp >
struct | std::is_nothrow_default_constructible< _Tp >
struct | std::is_nothrow_destructible< _Tp >
struct | std::is_nothrow_invocable< _Fn, _ArgTypes >
struct | std::is_nothrow_invocable_r< _Ret, _Fn, _ArgTypes >
struct | std::is_nothrow_move_assignable< _Tp >
struct | std::is_nothrow_move_constructible< _Tp >
struct | std::is_nothrow_swappable< _Tp >
struct | std::is_nothrow_swappable_with< _Tp, _Up >
struct | std::is_null_pointer< _Tp >
struct | std::is_object< _Tp >
struct | std::is_pod< _Tp >
struct | std::is_pointer< _Tp >
struct | std::is_polymorphic< _Tp >
struct | std::is_reference< _Tp >
struct | std::is_rvalue_reference< typename >
struct | std::is_same< _Tp, _Up >
struct | std::is_scalar< _Tp >
struct | std::is_signed< _Tp >
struct | std::is_standard_layout< _Tp >
struct | std::is_swappable< _Tp >
struct | std::is_swappable_with< _Tp, _Up >
struct | std::is_trivial< _Tp >
struct | std::is_trivially_assignable< _Tp, _Up >
struct | std::is_trivially_constructible< _Tp, _Args >
struct | std::is_trivially_copy_assignable< _Tp >
struct | std::is_trivially_copy_constructible< _Tp >
struct | std::is_trivially_copyable< _Tp >
struct | std::is_trivially_default_constructible< _Tp >
struct | std::is_trivially_destructible< _Tp >
struct | std::is_trivially_move_assignable< _Tp >
struct | std::is_trivially_move_constructible< _Tp >
struct | std::is_union< _Tp >
struct | std::is_unsigned< _Tp >
struct | std::is_void< _Tp >
struct | std::is_volatile< typename >
struct | std::make_signed< _Tp >
struct | std::make_unsigned< _Tp >
struct | std::rank< typename >
struct | std::remove_all_extents< _Tp >
struct | std::remove_const< _Tp >
struct | std::remove_cv< _Tp >
struct | std::remove_extent< _Tp >
struct | std::remove_pointer< _Tp >
struct | std::remove_reference< _Tp >
struct | std::remove_volatile< _Tp >
struct | std::underlying_type< _Tp >

## Namespaces

| std

## Macros

#define | __cpp_lib_bool_constant
#define | __cpp_lib_integral_constant_callable
#define | __cpp_lib_is_final
#define | __cpp_lib_is_invocable
#define | __cpp_lib_is_null_pointer
#define | __cpp_lib_is_swappable
#define | __cpp_lib_logical_traits
#define | __cpp_lib_result_of_sfinae
#define | __cpp_lib_transformation_trait_aliases
#define | __cpp_lib_type_trait_variable_templates
#define | __cpp_lib_void_t
#define | _GLIBCXX_TYPE_TRAITS

## Typedefs

template<typename _ToElementType , typename _FromElementType >
using | std::__is_array_convertible = is_convertible< _FromElementType(*)[], _ToElementType(*)[]>
template<typename _Tp , typename _Up >
using | std::__is_nothrow_assignable_impl = __bool_constant< __is_nothrow_assignable(_Tp, _Up)>
template<typename _Tp >
using | std::add_const_t = typename add_const< _Tp >::type
template<typename _Tp >
using | std::add_cv_t = typename add_cv< _Tp >::type
template<typename _Tp >
using | std::add_lvalue_reference_t = typename add_lvalue_reference< _Tp >::type
template<typename _Tp >
using | std::add_pointer_t = typename add_pointer< _Tp >::type
template<typename _Tp >
using | std::add_rvalue_reference_t = typename add_rvalue_reference< _Tp >::type
template<typename _Tp >
using | std::add_volatile_t = typename add_volatile< _Tp >::type
template<size_t _Len, size_t _Align = __alignof__(typename __aligned_storage_msa<_Len>::__type)>
using | std::aligned_storage_t = typename aligned_storage< _Len, _Align >::type
template<size_t _Len, typename... _Types>
using | std::aligned_union_t = typename aligned_union< _Len, _Types... >::type
template<bool __v>
using | std::bool_constant = integral_constant< bool, __v >
template<typename... _Tp>
using | std::common_type_t = typename common_type< _Tp... >::type
template<bool _Cond, typename _Iftrue , typename _Iffalse >
using | std::conditional_t = typename conditional< _Cond, _Iftrue, _Iffalse >::type
template<typename _Tp >
using | std::decay_t = typename decay< _Tp >::type
template<bool _Cond, typename _Tp = void>
using | std::enable_if_t = typename enable_if< _Cond, _Tp >::type
using | std::false_type = integral_constant< bool, false >
template<typename _Fn , typename... _Args>
using | std::invoke_result_t = typename invoke_result< _Fn, _Args... >::type
template<typename _Tp >
using | std::make_signed_t = typename make_signed< _Tp >::type
template<typename _Tp >
using | std::make_unsigned_t = typename make_unsigned< _Tp >::type
template<typename _Tp >
using | std::remove_all_extents_t = typename remove_all_extents< _Tp >::type
template<typename _Tp >
using | std::remove_const_t = typename remove_const< _Tp >::type
template<typename _Tp >
using | std::remove_cv_t = typename remove_cv< _Tp >::type
template<typename _Tp >
using | std::remove_extent_t = typename remove_extent< _Tp >::type
template<typename _Tp >
using | std::remove_pointer_t = typename remove_pointer< _Tp >::type
template<typename _Tp >
using | std::remove_reference_t = typename remove_reference< _Tp >::type
template<typename _Tp >
using | std::remove_volatile_t = typename remove_volatile< _Tp >::type
template<typename _Tp >
using | std::result_of_t = typename result_of< _Tp >::type
using | std::true_type = integral_constant< bool, true >
template<typename _Tp >
using | std::underlying_type_t = typename underlying_type< _Tp >::type
template<typename... >
using | std::void_t = void

## Functions

template<typename _Tp >
auto | std::declval () noexcept -> decltype(__declval< _Tp >(0))
template<typename _Tp >
constexpr _Require< __not_< __is_tuple_like< _Tp > >, is_move_constructible< _Tp >, is_move_assignable< _Tp > > | std::swap (_Tp &, _Tp &) noexcept(__and_< is_nothrow_move_constructible< _Tp >, is_nothrow_move_assignable< _Tp >>::value)
template<typename _Tp , size_t _Nm>
constexpr __enable_if_t< __is_swappable< _Tp >::value > | std::swap (_Tp(&__a)[_Nm], _Tp(&__b)[_Nm]) noexcept(__is_nothrow_swappable< _Tp >::value)

## Variables

template<typename _Tp >
constexpr bool | std::is_nothrow_swappable_v
template<typename _Tp , typename _Up >
constexpr bool | std::is_nothrow_swappable_with_v
template<typename _Tp >
constexpr bool | std::is_swappable_v
template<typename _Tp , typename _Up >
constexpr bool | std::is_swappable_with_v
template<typename... _Bn>
constexpr bool | std::conjunction_v
template<typename... _Bn>
constexpr bool | std::disjunction_v
template<typename _Pp >
constexpr bool | std::negation_v
template<typename _Tp >
constexpr size_t | std::alignment_of_v
template<typename _Tp , unsigned _Idx = 0>
constexpr size_t | std::extent_v
template<typename _Tp >
constexpr bool | std::has_virtual_destructor_v
template<typename _Tp >
constexpr bool | std::is_abstract_v
template<typename _Tp >
constexpr bool | std::is_arithmetic_v
template<typename _Tp >
constexpr bool | std::is_array_v
template<typename _Tp , typename _Up >
constexpr bool | std::is_assignable_v
template<typename _Base , typename _Derived >
constexpr bool | std::is_base_of_v
template<typename _Tp >
constexpr bool | std::is_class_v
template<typename _Tp >
constexpr bool | std::is_compound_v
template<typename _Tp >
constexpr bool | std::is_const_v
template<typename _Tp , typename... _Args>
constexpr bool | std::is_constructible_v
template<typename _From , typename _To >
constexpr bool | std::is_convertible_v
template<typename _Tp >
constexpr bool | std::is_copy_assignable_v
template<typename _Tp >
constexpr bool | std::is_copy_constructible_v
template<typename _Tp >
constexpr bool | std::is_default_constructible_v
template<typename _Tp >
constexpr bool | std::is_destructible_v
template<typename _Tp >
constexpr bool | std::is_empty_v
template<typename _Tp >
constexpr bool | std::is_enum_v
template<typename _Tp >
constexpr bool | std::is_final_v
template<typename _Tp >
constexpr bool | std::is_floating_point_v
template<typename _Tp >
constexpr bool | std::is_function_v
template<typename _Tp >
constexpr bool | std::is_fundamental_v
template<typename _Tp >
constexpr bool | std::is_integral_v
template<typename _Ret , typename _Fn , typename... _Args>
constexpr bool | std::is_invocable_r_v
template<typename _Fn , typename... _Args>
constexpr bool | std::is_invocable_v
template<typename _Tp >
constexpr bool | std::is_literal_type_v
template<typename _Tp >
constexpr bool | std::is_lvalue_reference_v
template<typename _Tp >
constexpr bool | std::is_member_function_pointer_v
template<typename _Tp >
constexpr bool | std::is_member_object_pointer_v
template<typename _Tp >
constexpr bool | std::is_member_pointer_v
template<typename _Tp >
constexpr bool | std::is_move_assignable_v
template<typename _Tp >
constexpr bool | std::is_move_constructible_v
template<typename _Tp , typename _Up >
constexpr bool | std::is_nothrow_assignable_v
template<typename _Tp , typename... _Args>
constexpr bool | std::is_nothrow_constructible_v
template<typename _Tp >
constexpr bool | std::is_nothrow_copy_assignable_v
template<typename _Tp >
constexpr bool | std::is_nothrow_copy_constructible_v
template<typename _Tp >
constexpr bool | std::is_nothrow_default_constructible_v
template<typename _Tp >
constexpr bool | std::is_nothrow_destructible_v
template<typename _Ret , typename _Fn , typename... _Args>
constexpr bool | std::is_nothrow_invocable_r_v
template<typename _Fn , typename... _Args>
constexpr bool | std::is_nothrow_invocable_v
template<typename _Tp >
constexpr bool | std::is_nothrow_move_assignable_v
template<typename _Tp >
constexpr bool | std::is_nothrow_move_constructible_v
template<typename _Tp >
constexpr bool | std::is_null_pointer_v
template<typename _Tp >
constexpr bool | std::is_object_v
template<typename _Tp >
constexpr bool | std::is_pod_v
template<typename _Tp >
constexpr bool | std::is_pointer_v
template<typename _Tp >
constexpr bool | std::is_polymorphic_v
template<typename _Tp >
constexpr bool | std::is_reference_v
template<typename _Tp >
constexpr bool | std::is_rvalue_reference_v
template<typename _Tp , typename _Up >
constexpr bool | std::is_same_v
template<typename _Tp >
constexpr bool | std::is_scalar_v
template<typename _Tp >
constexpr bool | std::is_signed_v
template<typename _Tp >
constexpr bool | std::is_standard_layout_v
template<typename _Tp >
constexpr bool | std::is_trivial_v
template<typename _Tp , typename _Up >
constexpr bool | std::is_trivially_assignable_v
template<typename _Tp , typename... _Args>
constexpr bool | std::is_trivially_constructible_v
template<typename _Tp >
constexpr bool | std::is_trivially_copy_assignable_v
template<typename _Tp >
constexpr bool | std::is_trivially_copy_constructible_v
template<typename _Tp >
constexpr bool | std::is_trivially_copyable_v
template<typename _Tp >
constexpr bool | std::is_trivially_default_constructible_v
template<typename _Tp >
constexpr bool | std::is_trivially_destructible_v
template<typename _Tp >
constexpr bool | std::is_trivially_move_assignable_v
template<typename _Tp >
constexpr bool | std::is_trivially_move_constructible_v
template<typename _Tp >
constexpr bool | std::is_union_v
template<typename _Tp >
constexpr bool | std::is_unsigned_v
template<typename _Tp >
constexpr bool | std::is_void_v
template<typename _Tp >
constexpr bool | std::is_volatile_v
template<typename _Tp >
constexpr size_t | std::rank_v

## Detailed Description

This is a Standard C++ Library header.

Definition in file type_traits.