Metaprogramming
Utilities
Collaboration diagram for Metaprogramming:

## Classes

struct | std::__add_pointer_helper< _Tp, bool >
struct | std::__detector< _Default, _AlwaysVoid, _Op, _Args >
struct | std::__detector< _Default, __void_t< _Op< _Args... > >, _Op, _Args... >
struct | std::__is_nullptr_t< _Tp >
struct | std::__is_trivially_copy_assignable_impl< _Tp, bool >
struct | std::__is_trivially_copy_constructible_impl< _Tp, bool >
struct | std::__is_trivially_move_assignable_impl< _Tp, bool >
struct | std::__is_trivially_move_constructible_impl< _Tp, bool >
struct | std::add_const< _Tp >
struct | std::add_cv< _Tp >
struct | std::add_lvalue_reference< _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::common_type< _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::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< typename >
struct | std::is_fundamental< _Tp >
struct | std::is_integral< _Tp >
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_move_assignable< _Tp >
struct | std::is_nothrow_move_constructible< _Tp >
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< typename, typename >
struct | std::is_scalar< _Tp >
struct | std::is_standard_layout< _Tp >
struct | std::is_trivial< _Tp >
struct | std::is_trivially_assignable< _Tp, _Up >
struct | std::is_trivially_constructible< _Tp, _Args >
struct | std::is_trivially_default_constructible< _Tp >
struct | std::is_trivially_destructible< _Tp >
struct | std::is_union< _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 >
class | std::reference_wrapper< _Tp >
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 >
class | std::result_of< _Signature >
struct | std::tr2::__reflection_typelist< _Elements >
struct | std::tr2::__reflection_typelist< _First, _Rest... >
struct | std::tr2::__reflection_typelist<>
struct | std::tr2::bases< _Tp >
struct | std::tr2::direct_bases< _Tp >
struct | std::underlying_type< _Tp >

## Macros

#define | __cpp_lib_is_final
#define | __cpp_lib_is_null_pointer
#define | __cpp_lib_result_of_sfinae
#define | __cpp_lib_transformation_trait_aliases
#define | __cpp_lib_void_t

## Typedefs

template<bool __v>
using | std::__bool_constant = integral_constant< bool, __v >
template<typename _Default , template< typename... > class _Op, typename... _Args>
using | std::__detected_or = __detector< _Default, void, _Op, _Args... >
template<typename _Default , template< typename... > class _Op, typename... _Args>
using | std::__detected_or_t = typename __detected_or< _Default, _Op, _Args... >::type
template<bool _Cond, typename _Tp = void>
using | std::__enable_if_t = typename enable_if< _Cond, _Tp >::type
template<typename _Tp , typename... _Args>
using | std::__is_nothrow_constructible_impl = __is_nt_constructible_impl< __is_constructible(_Tp, _Args...), _Tp, _Args... >
template<typename _Tp >
using | std::__remove_cvref_t = typename remove_cv< typename remove_reference< _Tp >::type >::type
template<typename... >
using | std::__void_t = void
template<typename... _Cond>
using | std::_Require = typename enable_if< __and_< _Cond... >::value >::type
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<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
typedef integral_constant< bool, false > | std::false_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
typedef integral_constant< bool, true > | std::true_type
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))

## Variables

static const size_t | std::aligned_union< _Len, _Types >::alignment_value
static constexpr _Tp | std::integral_constant< _Tp, __v >::value

## Detailed Description

Template utilities for compile-time introspection and modification, including type classification traits, type property inspection traits and type transformation traits.

## Typedef Documentation

## add_const_t

template<typename _Tp >

using std::add_const_t = typedef typename add_const<_Tp>::type

Alias template for add_const.

Definition at line 1435 of file type_traits.

## add_cv_t

template<typename _Tp >

using std::add_cv_t = typedef typename add_cv<_Tp>::type

Alias template for add_cv.

Definition at line 1443 of file type_traits.

## add_lvalue_reference_t

template<typename _Tp >

using std::add_lvalue_reference_t = typedef typename add_lvalue_reference<_Tp>::type

Alias template for add_lvalue_reference.

Definition at line 1496 of file type_traits.

## add_pointer_t

template<typename _Tp >

using std::add_pointer_t = typedef typename add_pointer<_Tp>::type

Alias template for add_pointer.

Definition at line 1901 of file type_traits.

## add_rvalue_reference_t

template<typename _Tp >

using std::add_rvalue_reference_t = typedef typename add_rvalue_reference<_Tp>::type

Alias template for add_rvalue_reference.

Definition at line 1500 of file type_traits.

## add_volatile_t

template<typename _Tp >

using std::add_volatile_t = typedef typename add_volatile<_Tp>::type

Alias template for add_volatile.

Definition at line 1439 of file type_traits.

## aligned_storage_t

template<size_t _Len, size_t _Align = __alignof__(typename __aligned_storage_msa<_Len>::__type)>

using std::aligned_storage_t = typedef typename aligned_storage<_Len, _Align>::type

Alias template for aligned_storage.

Definition at line 2367 of file type_traits.

## common_type_t

template<typename... _Tp>

using std::common_type_t = typedef typename common_type<_Tp...>::type

Alias template for common_type.

Definition at line 2386 of file type_traits.

## conditional_t

template<bool _Cond, typename _Iftrue , typename _Iffalse >

using std::conditional_t = typedef typename conditional<_Cond, _Iftrue, _Iffalse>::type

Alias template for conditional.

Definition at line 2382 of file type_traits.

## decay_t

template<typename _Tp >

using std::decay_t = typedef typename decay<_Tp>::type

Alias template for decay.

Definition at line 2374 of file type_traits.

## enable_if_t

template<bool _Cond, typename _Tp = void>

using std::enable_if_t = typedef typename enable_if<_Cond, _Tp>::type

Alias template for enable_if.

Definition at line 2378 of file type_traits.

## false_type

typedef integral_constant<bool, false> std::false_type

The type used as a compile-time boolean with false value.

Definition at line 78 of file type_traits.

## make_signed_t

template<typename _Tp >

using std::make_signed_t = typedef typename make_signed<_Tp>::type

Alias template for make_signed.

Definition at line 1818 of file type_traits.

## make_unsigned_t

template<typename _Tp >

using std::make_unsigned_t = typedef typename make_unsigned<_Tp>::type

Alias template for make_unsigned.

Definition at line 1822 of file type_traits.

## remove_all_extents_t

template<typename _Tp >

using std::remove_all_extents_t = typedef typename remove_all_extents<_Tp>::type

Alias template for remove_all_extents.

Definition at line 1860 of file type_traits.

## remove_const_t

template<typename _Tp >

using std::remove_const_t = typedef typename remove_const<_Tp>::type

Alias template for remove_const.

Definition at line 1423 of file type_traits.

## remove_cv_t

template<typename _Tp >

using std::remove_cv_t = typedef typename remove_cv<_Tp>::type

Alias template for remove_cv.

Definition at line 1431 of file type_traits.

## remove_extent_t

template<typename _Tp >

using std::remove_extent_t = typedef typename remove_extent<_Tp>::type

Alias template for remove_extent.

Definition at line 1856 of file type_traits.

## remove_pointer_t

template<typename _Tp >

using std::remove_pointer_t = typedef typename remove_pointer<_Tp>::type

Alias template for remove_pointer.

Definition at line 1897 of file type_traits.

## remove_reference_t

template<typename _Tp >

using std::remove_reference_t = typedef typename remove_reference<_Tp>::type

Alias template for remove_reference.

Definition at line 1492 of file type_traits.

## remove_volatile_t

template<typename _Tp >

using std::remove_volatile_t = typedef typename remove_volatile<_Tp>::type

Alias template for remove_volatile.

Definition at line 1427 of file type_traits.

## result_of_t

template<typename _Tp >

using std::result_of_t = typedef typename result_of<_Tp>::type

Alias template for result_of.

Definition at line 2394 of file type_traits.

## true_type

typedef integral_constant<bool, true> std::true_type

The type used as a compile-time boolean with true value.

Definition at line 75 of file type_traits.

## underlying_type_t

template<typename _Tp >

using std::underlying_type_t = typedef typename underlying_type<_Tp>::type

Alias template for underlying_type.

Definition at line 2390 of file type_traits.

## void_t

template<typename... >

using std::void_t = typedef void

A metafunction that always yields void, used for detecting valid types.

Definition at line 2407 of file type_traits.

## Variable Documentation

## alignment_value

template<size_t _Len, typename... _Types>

const size_t std::aligned_union< _Len, _Types >::alignment_value

static

The value of the strictest alignment of _Types.

Definition at line 1974 of file type_traits.