libstdc++: Metaprogramming (original) (raw)

Classes
struct std::__add_pointer_helper< _Tp, typename >
struct std::__is_member_object_pointer_helper< typename >
struct std::tr2::__reflection_typelist< _Elements >
struct std::tr2::__reflection_typelist< _First, _Rest... >
struct std::tr2::__reflection_typelist<>
struct std::__remove_pointer_helper< _Tp, typename >
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::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< 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_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_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< 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_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 = typename __conditional< _Cond >::template type< _If, _Else >
template<bool _Cond, typename _Tp = void>
using std::__enable_if_t = typename enable_if< _Cond, _Tp >::type
template<typename _ToElementType , typename _FromElementType >
using std::__is_array_convertible = is_convertible< _FromElementType(*)[], _ToElementType(*)[]>
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<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
using std::false_type = __bool_constant< false >
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_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::result_of_t = typename result_of< _Tp >::type
using std::true_type = __bool_constant< true >
using std::integral_constant< _Tp, __v >::type = integral_constant< _Tp, __v >
using std::enable_if< true, _Tp >::type = _Tp
template<typename _Tp , typename >
using std::__conditional< bool >::type = _Tp
template<typename , typename _Up >
using std::__conditional< false >::type = _Up
using std::__is_implicitly_default_constructible_impl< _Tp >::type = decltype(__test(declval< _Tp >()))
using std::__is_convertible_helper< _From, _To, bool >::type = typename is_void< _To >::type
using std::__is_convertible_helper< _From, _To, false >::type = decltype(__test< _From, _To >(0))
using std::remove_const< _Tp >::type = _Tp
using std::remove_const< _Tp const >::type = _Tp
using std::remove_volatile< _Tp >::type = _Tp
using std::remove_volatile< _Tp volatile >::type = _Tp
using std::remove_cv< _Tp >::type = _Tp
using std::remove_cv< const _Tp >::type = _Tp
using std::remove_cv< volatile _Tp >::type = _Tp
using std::remove_cv< const volatile _Tp >::type = _Tp
using std::add_const< _Tp >::type = _Tp const
using std::add_volatile< _Tp >::type = _Tp volatile
using std::add_cv< _Tp >::type = _Tp const volatile
using std::remove_reference< _Tp >::type = _Tp
using std::remove_reference< _Tp & >::type = _Tp
using std::remove_reference< _Tp && >::type = _Tp
using std::add_lvalue_reference< _Tp >::type = __add_lval_ref_t< _Tp >
using std::add_rvalue_reference< _Tp >::type = __add_rval_ref_t< _Tp >
using std::make_unsigned< _Tp >::type = typename __make_unsigned_selector< _Tp >::__type
using std::make_signed< _Tp >::type = typename __make_signed_selector< _Tp >::__type
using std::remove_extent< _Tp >::type = _Tp
using std::remove_extent< _Tp[_Size]>::type = _Tp
using std::remove_extent< _Tp[]>::type = _Tp
using std::remove_all_extents< _Tp >::type = _Tp
using std::remove_all_extents< _Tp[_Size]>::type = typename remove_all_extents< _Tp >::type
using std::remove_all_extents< _Tp[]>::type = typename remove_all_extents< _Tp >::type
using std::__remove_pointer_helper< _Tp, typename >::type = _Tp
using std::__remove_pointer_helper< _Tp, _Up * >::type = _Up
using std::__add_pointer_helper< _Tp, typename >::type = _Tp
using std::__add_pointer_helper< _Tp, __void_t< _Tp * > >::type = _Tp *
using std::add_pointer< _Tp & >::type = _Tp *
using std::add_pointer< _Tp && >::type = _Tp *
using std::aligned_union< _Len, _Types >::type = typename aligned_storage< _S_len, alignment_value >::type
using std::decay< _Tp >::type = typename __decay_selector< _Tp >::type
using std::decay< _Tp & >::type = typename __decay_selector< _Tp >::type
using std::decay< _Tp && >::type = typename __decay_selector< _Tp >::type
using std::conditional< _Cond, _Iftrue, _Iffalse >::type = _Iftrue
using std::conditional< false, _Iftrue, _Iffalse >::type = _Iffalse
using std::common_reference< _Tp0 >::type = _Tp0
template<typename _Tp >
using std::underlying_type_t = typename underlying_type< _Tp >::type
using std::integral_constant< _Tp, __v >::value_type = _Tp
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
struct {
} std::__aligned_storage_msa< _Len >::__type::__align
struct {
} std::aligned_storage< _Len, _Align >::type::__align
unsigned char std::__aligned_storage_msa< _Len >::__type::__data [_Len]
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 = typename common_reference< _Tp... >::type
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

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

Since

C++11

__conditional_t

template<bool _Cond, typename _If , typename _Else >

using std::__conditional_t = typedef typename __conditional<_Cond>::template type<_If, _Else>

__enable_if_t

template<bool _Cond, typename _Tp = void>

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

__is_array_convertible

template<typename _ToElementType , typename _FromElementType >

add_lvalue_reference_t

Alias template for add_lvalue_reference.

Definition at line 1783 of file type_traits.

add_pointer_t

Alias template for add_pointer.

Definition at line 2232 of file type_traits.

add_rvalue_reference_t

Alias template for add_rvalue_reference.

Definition at line 1787 of file type_traits.

aligned_storage_t

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

Alias template for aligned_storage.

Definition at line 2769 of file type_traits.

aligned_union_t

template<size_t _Len, typename... _Types>

using std::aligned_union_t = typedef typename aligned_union<_Len, _Types...>::type

common_reference_t

template<typename... _Tp>

common_type_t

template<typename... _Tp>

Alias template for common_type.

Definition at line 2789 of file type_traits.

conditional_t

template<bool _Cond, typename _Iftrue , typename _Iffalse >

Alias template for conditional.

Definition at line 2785 of file type_traits.

decay_t

enable_if_t

template<bool _Cond, typename _Tp = void>

false_type

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

Definition at line 116 of file type_traits.

make_signed_t

Alias template for make_signed.

Definition at line 2118 of file type_traits.

make_unsigned_t

Alias template for make_unsigned.

Definition at line 2122 of file type_traits.

remove_all_extents_t

Alias template for remove_all_extents.

Definition at line 2172 of file type_traits.

remove_extent_t

Alias template for remove_extent.

Definition at line 2168 of file type_traits.

remove_pointer_t

Alias template for remove_pointer.

Definition at line 2228 of file type_traits.

remove_reference_t

Alias template for remove_reference.

Definition at line 1779 of file type_traits.

result_of_t

true_type

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

Definition at line 113 of file type_traits.

type [1/44]

template<typename _Tp , _Tp __v>

type [2/44]

type [3/44]

template

template<typename _Tp , typename >

using std::__conditional< bool >::type = _Tp

type [4/44]

template<typename , typename _Up >

using std::__conditional< false >::type = _Up

type [5/44]

template<typename _Tp >

using std::__is_implicitly_default_constructible_impl< _Tp >::type = decltype(__test(declval<_Tp>()))

type [6/44]

template<typename _From , typename _To , bool = __or_<is_void<_From>, is_function<_To>, is_array<_To>>::value>

using std::__is_convertible_helper< _From, _To, bool >::type = typename is_void<_To>::type

type [7/44]

template<typename _From , typename _To >

using std::__is_convertible_helper< _From, _To, false >::type = decltype(__test<_From, _To>(0))

type [8/44]

type [9/44]

type [10/44]

type [11/44]

type [12/44]

type [13/44]

type [14/44]

type [15/44]

type [16/44]

type [17/44]

type [18/44]

type [19/44]

type [20/44]

type [21/44]

type [22/44]

type [23/44]

type [24/44]

type [25/44]

template<typename _Tp >

using std::make_signed< _Tp >::type = typename __make_signed_selector<_Tp>::__type

type [26/44]

type [27/44]

template<typename _Tp , std::size_t _Size>

type [28/44]

type [29/44]

type [30/44]

template<typename _Tp , std::size_t _Size>

type [31/44]

type [32/44]

template<typename _Tp , typename >

type [33/44]

template<typename _Tp , typename _Up >

type [34/44]

template<typename _Tp , typename = void>

type [35/44]

type [36/44]

template<typename _Tp >

using std::add_pointer< _Tp & >::type = _Tp*

type [37/44]

template<typename _Tp >

using std::add_pointer< _Tp && >::type = _Tp*

type [38/44]

template<size_t _Len, typename... _Types>

type [39/44]

template<typename _Tp >

using std::decay< _Tp >::type = typename __decay_selector<_Tp>::type

type [40/44]

template<typename _Tp >

using std::decay< _Tp & >::type = typename __decay_selector<_Tp>::type

type [41/44]

template<typename _Tp >

using std::decay< _Tp && >::type = typename __decay_selector<_Tp>::type

type [42/44]

template<bool _Cond, typename _Iftrue , typename _Iffalse >

type [43/44]

template<typename _Iftrue , typename _Iffalse >

type [44/44]

template<typename _Tp0 >

using std::common_reference< _Tp0 >::type = _Tp0

underlying_type_t

Alias template for underlying_type.

Definition at line 2793 of file type_traits.

value_type

template<typename _Tp , _Tp __v>

is_corresponding_member()

template<typename _S1 , typename _S2 , typename _M1 , typename _M2 >

constexpr bool std::is_corresponding_member ( _M1 _S1::* __m1, _M2 _S2::* __m2 ) constexprnoexcept

is_pointer_interconvertible_with_class()

template<typename _Tp , typename _Mem >

constexpr 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 3861 of file type_traits.

operator value_type()

template<typename _Tp , _Tp __v>

swap() [1/2]

Swaps two values.

Parameters

__a A thing of arbitrary type.
__b Another thing of arbitrary type.

Returns

Nothing.

Definition at line 214 of file move.h.

swap() [2/2]

template<typename _Tp , size_t _Nm>

constexpr __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 238 of file move.h.

__data [1/2]

template<std::size_t _Len>

unsigned char std::__aligned_storage_msa< _Len >::__type::__data[_Len]

__data [2/2]

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

__is_nothrow_new_constructible

template<typename _Tp , typename... _Args>

constexpr bool std::__is_nothrow_new_constructible inlineconstexpr

_S_alignment [1/2]

template<typename... _Types>

const size_t std::__strictest_alignment< _Types >::_S_alignment static

_S_alignment [2/2]

template<typename _Tp , typename... _Types>

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

_S_size [1/2]

template<typename... _Types>

const size_t std::__strictest_alignment< _Types >::_S_size static

_S_size [2/2]

template<typename _Tp , typename... _Types>

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

alignment_value

template<size_t _Len, typename... _Types>

The value of the strictest alignment of _Types.

Definition at line 2317 of file type_traits.

is_layout_compatible_v

template<typename _Tp , typename _Up >

constexpr bool std::is_layout_compatible_v constexpr

is_pointer_interconvertible_base_of_v

template<typename _Base , typename _Derived >

constexpr bool std::is_pointer_interconvertible_base_of_v constexpr

value

template<typename _Tp , _Tp __v>