libstdc++
Metaprogramming
Collaboration diagram for Metaprogramming:

Classes

struct  std::tr2::__reflection_typelist< _Elements >
struct  std::tr2::__reflection_typelist< _First, _Rest... >
struct  std::tr2::__reflection_typelist<>
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::tr2::bases< _Tp >
struct  std::common_type< _Tp >
struct  std::conditional< _Cond, _Iftrue, _Iffalse >
struct  std::decay< _Tp >
struct  std::tr2::direct_bases< _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< _Tp >
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< _Tp >
struct  std::is_constructible< _Tp, _Args >
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_floating_point< _Tp >
struct  std::is_function< _Tp >
struct  std::is_fundamental< _Tp >
struct  std::is_integral< _Tp >
struct  std::is_layout_compatible< _Tp, _Up >
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_object< _Tp >
struct  std::is_pod< _Tp >
struct  std::is_pointer< _Tp >
struct  std::is_pointer_interconvertible_base_of< _Base, _Derived >
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_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< _Tp >
struct  std::make_signed< _Tp >
struct  std::make_unsigned< _Tp >
struct  std::rank< _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 >
struct  std::result_of< _Signature >
struct  std::underlying_type< _Tp >

Typedefs

template<bool _Cond, typename _If, typename _Else>
using std::__conditional_t
template<bool _Cond, typename _Tp = void>
using std::__enable_if_t
template<typename _ToElementType, typename _FromElementType>
using std::__is_array_convertible
template<typename _Tp>
using std::add_lvalue_reference_t
template<typename _Tp>
using std::add_pointer_t
template<typename _Tp>
using std::add_rvalue_reference_t
template<size_t _Len, size_t _Align = __aligned_storage_default_alignment(_Len)>
using std::aligned_storage_t
template<size_t _Len, typename... _Types>
using std::aligned_union_t
template<typename... _Tp>
using std::common_type_t
template<bool _Cond, typename _Iftrue, typename _Iffalse>
using std::conditional_t
template<typename _Tp>
using std::decay_t
template<bool _Cond, typename _Tp = void>
using std::enable_if_t
using std::false_type
template<typename _Tp>
using std::make_signed_t
template<typename _Tp>
using std::make_unsigned_t
template<typename _Tp>
using std::remove_all_extents_t
template<typename _Tp>
using std::remove_extent_t
template<typename _Tp>
using std::remove_pointer_t
template<typename _Tp>
using std::remove_reference_t
template<typename _Tp>
using std::result_of_t
using std::true_type
template<typename _Tp, typename>
using std::__conditional< bool >::type
template<typename, typename _Up>
using std::__conditional< false >::type
using std::__is_implicitly_default_constructible_impl< _Tp >::type
using std::add_const< _Tp >::type
using std::add_cv< _Tp >::type
using std::add_lvalue_reference< _Tp >::type
using std::add_pointer< _Tp >::type
using std::add_rvalue_reference< _Tp >::type
using std::add_volatile< _Tp >::type
using std::aligned_union< _Len, _Types >::type
using std::common_reference< _Tp0 >::type
using std::conditional< _Cond, _Iftrue, _Iffalse >::type
using std::conditional< false, _Iftrue, _Iffalse >::type
using std::decay< _Tp >::type
using std::decay< _Tp & >::type
using std::decay< _Tp && >::type
using std::enable_if< true, _Tp >::type
using std::integral_constant< _Tp, __v >::type
using std::make_signed< _Tp >::type
using std::make_unsigned< _Tp >::type
using std::remove_all_extents< _Tp >::type
using std::remove_const< _Tp >::type
using std::remove_const< _Tp const >::type
using std::remove_cv< _Tp >::type
using std::remove_extent< _Tp >::type
using std::remove_pointer< _Tp >::type
using std::remove_reference< _Tp >::type
using std::remove_volatile< _Tp >::type
using std::remove_volatile< _Tp volatile >::type
template<typename _Tp>
using std::underlying_type_t
using std::integral_constant< _Tp, __v >::value_type

Functions

template<typename _Tp>
static void std::__do_is_implicitly_default_constructible_impl::__helper (const _Tp &)
static false_type std::__do_is_implicitly_default_constructible_impl::__test (...)
template<typename _Tp>
static true_type std::__do_is_implicitly_default_constructible_impl::__test (const _Tp &, decltype(__helper< const _Tp & >({})) *=0)
constexpr std::integral_constant< _Tp, __v >::operator value_type () const noexcept
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

unsigned char std::aligned_storage< _Len, _Align >::type::__data [_Len]
template<typename _Tp, typename... _Args>
constexpr bool std::__is_nothrow_new_constructible
static const size_t std::__strictest_alignment< _Types >::_S_alignment
static const size_t std::__strictest_alignment< _Tp, _Types... >::_S_alignment
static const size_t std::__strictest_alignment< _Types >::_S_size
static const size_t std::__strictest_alignment< _Tp, _Types... >::_S_size
template<size_t _Len, typename... _Types>
const size_t std::aligned_union< _Len, _Types... >::alignment_value
static const size_t std::aligned_union< _Len, _Types >::alignment_value
static constexpr _Tp std::integral_constant< _Tp, __v >::value
template<typename... _Tp>
using std::common_reference_t
template<typename _Tp, typename _Up>
constexpr bool std::is_layout_compatible_v
template<typename _Base, typename _Derived>
constexpr bool std::is_pointer_interconvertible_base_of_v
template<typename _S1, typename _S2, typename _M1, typename _M2>
constexpr bool std::is_corresponding_member (_M1 _S1::*__m1, _M2 _S2::*__m2) noexcept
template<typename _Tp, typename _Mem>
constexpr bool std::is_pointer_interconvertible_with_class (_Mem _Tp::*__mp) noexcept

Detailed Description

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

Since
C++11

Typedef Documentation

◆ __conditional_t

template<bool _Cond, typename _If, typename _Else>
using std::__conditional_t

Definition at line 161 of file type_traits.

◆ __enable_if_t

template<bool _Cond, typename _Tp = void>
using std::__enable_if_t

Definition at line 143 of file type_traits.

◆ __is_array_convertible

template<typename _ToElementType, typename _FromElementType>
using std::__is_array_convertible

Definition at line 1607 of file type_traits.

◆ add_lvalue_reference_t

template<typename _Tp>
using std::add_lvalue_reference_t

Alias template for add_lvalue_reference.

Definition at line 1802 of file type_traits.

◆ add_pointer_t

template<typename _Tp>
using std::add_pointer_t

Alias template for add_pointer.

Definition at line 2251 of file type_traits.

◆ add_rvalue_reference_t

template<typename _Tp>
using std::add_rvalue_reference_t

Alias template for add_rvalue_reference.

Definition at line 1806 of file type_traits.

◆ aligned_storage_t

template<size_t _Len, size_t _Align = __aligned_storage_default_alignment(_Len)>
using std::aligned_storage_t

Alias template for aligned_storage.

Definition at line 2823 of file type_traits.

◆ aligned_union_t

template<size_t _Len, typename... _Types>
using std::aligned_union_t

Definition at line 2826 of file type_traits.

◆ common_reference_t

template<typename... _Tp>
using std::common_reference_t
Since
C++20

Definition at line 4101 of file type_traits.

◆ common_type_t

template<typename... _Tp>
using std::common_type_t

Alias template for common_type.

Definition at line 2843 of file type_traits.

◆ conditional_t

template<bool _Cond, typename _Iftrue, typename _Iffalse>
using std::conditional_t

Alias template for conditional.

Definition at line 2839 of file type_traits.

◆ decay_t

template<typename _Tp>
using std::decay_t

Alias template for decay.

Definition at line 2831 of file type_traits.

◆ enable_if_t

template<bool _Cond, typename _Tp = void>
using std::enable_if_t

Alias template for enable_if.

Definition at line 2835 of file type_traits.

◆ false_type

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

Definition at line 119 of file type_traits.

◆ make_signed_t

template<typename _Tp>
using std::make_signed_t

Alias template for make_signed.

Definition at line 2137 of file type_traits.

◆ make_unsigned_t

template<typename _Tp>
using std::make_unsigned_t

Alias template for make_unsigned.

Definition at line 2141 of file type_traits.

◆ remove_all_extents_t

template<typename _Tp>
using std::remove_all_extents_t

Alias template for remove_all_extents.

Definition at line 2191 of file type_traits.

◆ remove_extent_t

template<typename _Tp>
using std::remove_extent_t

Alias template for remove_extent.

Definition at line 2187 of file type_traits.

◆ remove_pointer_t

template<typename _Tp>
using std::remove_pointer_t

Alias template for remove_pointer.

Definition at line 2247 of file type_traits.

◆ remove_reference_t

template<typename _Tp>
using std::remove_reference_t

Alias template for remove_reference.

Definition at line 1798 of file type_traits.

◆ result_of_t

template<typename _Tp>
using std::result_of_t

Alias template for result_of.

Definition at line 2851 of file type_traits.

◆ true_type

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

Definition at line 116 of file type_traits.

◆ type [1/29]

template<bool>
template<typename _Tp, typename>
using std::__conditional< bool >::type

Definition at line 149 of file type_traits.

◆ type [2/29]

template<typename, typename _Up>
using std::__conditional< false >::type

Definition at line 156 of file type_traits.

◆ type [3/29]

template<typename _Tp>
using std::__is_implicitly_default_constructible_impl< _Tp >::type

Definition at line 1385 of file type_traits.

◆ type [4/29]

template<typename _Tp>
using std::add_const< _Tp >::type

Definition at line 1726 of file type_traits.

◆ type [5/29]

template<typename _Tp>
using std::add_cv< _Tp >::type

Definition at line 1736 of file type_traits.

◆ type [6/29]

template<typename _Tp>
using std::add_lvalue_reference< _Tp >::type

Definition at line 1788 of file type_traits.

◆ type [7/29]

template<typename _Tp>
using std::add_pointer< _Tp >::type

Definition at line 2220 of file type_traits.

◆ type [8/29]

template<typename _Tp>
using std::add_rvalue_reference< _Tp >::type

Definition at line 1793 of file type_traits.

◆ type [9/29]

template<typename _Tp>
using std::add_volatile< _Tp >::type

Definition at line 1731 of file type_traits.

◆ type [10/29]

template<size_t _Len, typename... _Types>
using std::aligned_union< _Len, _Types >::type

The storage.

Definition at line 2373 of file type_traits.

◆ type [11/29]

template<typename _Tp0>
using std::common_reference< _Tp0 >::type

Definition at line 4111 of file type_traits.

◆ type [12/29]

template<bool _Cond, typename _Iftrue, typename _Iffalse>
using std::conditional< _Cond, _Iftrue, _Iffalse >::type

Definition at line 2459 of file type_traits.

◆ type [13/29]

template<typename _Iftrue, typename _Iffalse>
using std::conditional< false, _Iftrue, _Iffalse >::type

Definition at line 2464 of file type_traits.

◆ type [14/29]

template<typename _Tp>
using std::decay< _Tp >::type

Definition at line 2409 of file type_traits.

◆ type [15/29]

template<typename _Tp>
using std::decay< _Tp & >::type

Definition at line 2413 of file type_traits.

◆ type [16/29]

template<typename _Tp>
using std::decay< _Tp && >::type

Definition at line 2417 of file type_traits.

◆ type [17/29]

template<typename _Tp>
using std::enable_if< true, _Tp >::type

Definition at line 139 of file type_traits.

◆ type [18/29]

template<typename _Tp, _Tp __v>
using std::integral_constant< _Tp, __v >::type

Definition at line 96 of file type_traits.

◆ type [19/29]

template<typename _Tp>
using std::make_signed< _Tp >::type

Definition at line 2126 of file type_traits.

◆ type [20/29]

template<typename _Tp>
using std::make_unsigned< _Tp >::type

Definition at line 1994 of file type_traits.

◆ type [21/29]

template<typename _Tp>
using std::remove_all_extents< _Tp >::type

Definition at line 2169 of file type_traits.

◆ type [22/29]

template<typename _Tp>
using std::remove_const< _Tp >::type

Definition at line 1685 of file type_traits.

◆ type [23/29]

template<typename _Tp>
using std::remove_const< _Tp const >::type

Definition at line 1689 of file type_traits.

◆ type [24/29]

template<typename _Tp>
using std::remove_cv< _Tp >::type

Definition at line 1704 of file type_traits.

◆ type [25/29]

template<typename _Tp>
using std::remove_extent< _Tp >::type

Definition at line 2150 of file type_traits.

◆ type [26/29]

template<typename _Tp>
using std::remove_pointer< _Tp >::type

Definition at line 2200 of file type_traits.

◆ type [27/29]

template<typename _Tp>
using std::remove_reference< _Tp >::type

Definition at line 1770 of file type_traits.

◆ type [28/29]

template<typename _Tp>
using std::remove_volatile< _Tp >::type

Definition at line 1694 of file type_traits.

◆ type [29/29]

template<typename _Tp>
using std::remove_volatile< _Tp volatile >::type

Definition at line 1698 of file type_traits.

◆ underlying_type_t

template<typename _Tp>
using std::underlying_type_t

Alias template for underlying_type.

Definition at line 2847 of file type_traits.

◆ value_type

template<typename _Tp, _Tp __v>
using std::integral_constant< _Tp, __v >::value_type

Definition at line 95 of file type_traits.

Function Documentation

◆ is_corresponding_member()

template<typename _S1, typename _S2, typename _M1, typename _M2>
bool std::is_corresponding_member ( _M1 _S1::* __m1,
_M2 _S2::* __m2 )
constexprnoexcept
Since
C++20

Definition at line 3891 of file type_traits.

◆ is_pointer_interconvertible_with_class()

template<typename _Tp, typename _Mem>
bool std::is_pointer_interconvertible_with_class ( _Mem _Tp::* __mp)
constexprnoexcept

True if __mp points to the first member of a standard-layout type.

Returns
true if s.*__mp is pointer-interconvertible with s
Since
C++20

Definition at line 3921 of file type_traits.

◆ operator value_type()

template<typename _Tp, _Tp __v>
std::integral_constant< _Tp, __v >::operator value_type ( ) const
inlineconstexprnoexcept

Definition at line 97 of file type_traits.

◆ swap() [1/2]

template<typename _Tp>
_Require< __not_< __is_tuple_like< _Tp > >, is_move_constructible< _Tp >, is_move_assignable< _Tp > > std::swap ( _Tp & __a,
_Tp & __b )
inlineconstexprnoexcept

Swaps two values.

Parameters
__aA thing of arbitrary type.
__bAnother thing of arbitrary type.
Returns
Nothing.

Definition at line 227 of file move.h.

◆ swap() [2/2]

template<typename _Tp, size_t _Nm>
__enable_if_t< __is_swappable< _Tp >::value > std::swap ( _Tp(&) __a[_Nm],
_Tp(&) __b[_Nm] )
inlineconstexprnoexcept

Swap the contents of two arrays.

Definition at line 251 of file move.h.

Variable Documentation

◆ __data

template<size_t _Len, size_t _Align = __aligned_storage_default_alignment(_Len)>
unsigned char std::aligned_storage< _Len, _Align >::type::__data[_Len]

Definition at line 2321 of file type_traits.

◆ __is_nothrow_new_constructible

template<typename _Tp, typename... _Args>
bool std::__is_nothrow_new_constructible
inlineconstexpr

Definition at line 1675 of file type_traits.

◆ _S_alignment [1/2]

template<typename... _Types>
const size_t std::__strictest_alignment< _Types >::_S_alignment
static

Definition at line 2328 of file type_traits.

◆ _S_alignment [2/2]

template<typename _Tp, typename... _Types>
const size_t std::__strictest_alignment< _Tp, _Types... >::_S_alignment
static

Definition at line 2335 of file type_traits.

◆ _S_size [1/2]

template<typename... _Types>
const size_t std::__strictest_alignment< _Types >::_S_size
static

Definition at line 2329 of file type_traits.

◆ _S_size [2/2]

template<typename _Tp, typename... _Types>
const size_t std::__strictest_alignment< _Tp, _Types... >::_S_size
static

Definition at line 2338 of file type_traits.

◆ aligned_union< _Len, _Types... >::alignment_value

template<size_t _Len, typename... _Types>
const size_t std::aligned_union< _Len, _Types... >::alignment_value

Definition at line 2377 of file type_traits.

◆ 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 2371 of file type_traits.

◆ is_layout_compatible_v

template<typename _Tp, typename _Up>
bool std::is_layout_compatible_v
constexpr
Since
C++20

Definition at line 3880 of file type_traits.

◆ is_pointer_interconvertible_base_of_v

template<typename _Base, typename _Derived>
bool std::is_pointer_interconvertible_base_of_v
constexpr
Since
C++20

Definition at line 3908 of file type_traits.

◆ value

template<typename _Tp, _Tp __v>
_Tp std::integral_constant< _Tp, __v >::value
staticconstexpr

Definition at line 94 of file type_traits.