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
 
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 1606 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 1801 of file type_traits.

◆ add_pointer_t

template<typename _Tp >
using std::add_pointer_t

Alias template for add_pointer.

Definition at line 2250 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 1805 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 2822 of file type_traits.

◆ aligned_union_t

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

Definition at line 2825 of file type_traits.

◆ common_reference_t

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

Definition at line 4099 of file type_traits.

◆ common_type_t

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

Alias template for common_type.

Definition at line 2842 of file type_traits.

◆ conditional_t

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

Alias template for conditional.

Definition at line 2838 of file type_traits.

◆ decay_t

template<typename _Tp >
using std::decay_t

Alias template for decay.

Definition at line 2830 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 2834 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 2136 of file type_traits.

◆ make_unsigned_t

template<typename _Tp >
using std::make_unsigned_t

Alias template for make_unsigned.

Definition at line 2140 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 2190 of file type_traits.

◆ remove_extent_t

template<typename _Tp >
using std::remove_extent_t

Alias template for remove_extent.

Definition at line 2186 of file type_traits.

◆ remove_pointer_t

template<typename _Tp >
using std::remove_pointer_t

Alias template for remove_pointer.

Definition at line 2246 of file type_traits.

◆ remove_reference_t

template<typename _Tp >
using std::remove_reference_t

Alias template for remove_reference.

Definition at line 1797 of file type_traits.

◆ result_of_t

template<typename _Tp >
using std::result_of_t

Alias template for result_of.

Definition at line 2850 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 1725 of file type_traits.

◆ type [5/29]

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

Definition at line 1735 of file type_traits.

◆ type [6/29]

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

Definition at line 1787 of file type_traits.

◆ type [7/29]

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

Definition at line 2219 of file type_traits.

◆ type [8/29]

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

Definition at line 1792 of file type_traits.

◆ type [9/29]

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

Definition at line 1730 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 2372 of file type_traits.

◆ type [11/29]

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

Definition at line 4109 of file type_traits.

◆ type [12/29]

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

Definition at line 2458 of file type_traits.

◆ type [13/29]

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

Definition at line 2463 of file type_traits.

◆ type [14/29]

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

Definition at line 2408 of file type_traits.

◆ type [15/29]

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

Definition at line 2412 of file type_traits.

◆ type [16/29]

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

Definition at line 2416 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 2125 of file type_traits.

◆ type [20/29]

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

Definition at line 1993 of file type_traits.

◆ type [21/29]

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

Definition at line 2168 of file type_traits.

◆ type [22/29]

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

Definition at line 1684 of file type_traits.

◆ type [23/29]

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

Definition at line 1688 of file type_traits.

◆ type [24/29]

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

Definition at line 1703 of file type_traits.

◆ type [25/29]

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

Definition at line 2149 of file type_traits.

◆ type [26/29]

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

Definition at line 2199 of file type_traits.

◆ type [27/29]

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

Definition at line 1769 of file type_traits.

◆ type [28/29]

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

Definition at line 1693 of file type_traits.

◆ type [29/29]

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

Definition at line 1697 of file type_traits.

◆ underlying_type_t

template<typename _Tp >
using std::underlying_type_t

Alias template for underlying_type.

Definition at line 2846 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 3889 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 3919 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 2320 of file type_traits.

◆ __is_nothrow_new_constructible

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

Definition at line 1674 of file type_traits.

◆ _S_alignment [1/2]

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

Definition at line 2327 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 2334 of file type_traits.

◆ _S_size [1/2]

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

Definition at line 2328 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 2337 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 2370 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 3878 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 3906 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.