libstdc++: std::pair< _T1, _T2 > Struct Template Reference (original) (raw)
#include <[utility](a00242%5Fsource.html)>
Inherits __pair_base< _T1, _T2 >.
| Public Member Functions | |
|---|---|
| template<typename _U1 = _T1, typename _U2 = _T2, typename enable_if< __and_< __is_implicitly_default_constructible< _U1 >, __is_implicitly_default_constructible< _U2 > > ::value, bool >::type = true> | |
| constexpr | pair () |
| template<typename _U2 , __enable_if_t< __and_< is_pointer< _T1 >, __not_< is_reference< _U2 > >, is_constructible< _T2, _U2 >, __not_< is_constructible< _T2, const _U2 & > >, is_convertible< _U2, _T2 > >::value, bool > = true> | |
| constexpr | pair (__zero_as_null_pointer_constant, _U2 &&__y,...) |
| template<typename _U2 , __enable_if_t< __and_< is_pointer< _T1 >, __not_< is_reference< _U2 > >, is_constructible< _T2, _U2 >, __not_< is_constructible< _T2, const _U2 & > >, __not_< is_convertible< _U2, _T2 > > >::value, bool > = false> | |
| constexpr | pair (__zero_as_null_pointer_constant, _U2 &&__y,...) |
| template<typename _U1 , __enable_if_t< __and_< __not_< is_reference< _U1 > >, is_pointer< _T2 >, is_constructible< _T1, _U1 >, __not_< is_constructible< _T1, const _U1 & > >, is_convertible< _U1, _T1 > >::value, bool > = true> | |
| constexpr | pair (_U1 &&__x, __zero_as_null_pointer_constant,...) |
| template<typename _U1 , __enable_if_t< __and_< __not_< is_reference< _U1 > >, is_pointer< _T2 >, is_constructible< _T1, _U1 >, __not_< is_constructible< _T1, const _U1 & > >, __not_< is_convertible< _U1, _T1 > > >::value, bool > = false> | |
| constexpr | pair (_U1 &&__x, __zero_as_null_pointer_constant,...) |
| template<typename _U1 , typename _U2 , typename enable_if< _PCCP::template _MoveConstructiblePair< _U1, _U2 >() &&_PCCP::template _ImplicitlyMoveConvertiblePair< _U1, _U2 >(), bool >::type = true> | |
| constexpr | pair (_U1 &&__x, _U2 &&__y) |
| template<typename _U1 , typename _U2 , typename enable_if< _PCCP::template _MoveConstructiblePair< _U1, _U2 >() &&!_PCCP::template _ImplicitlyMoveConvertiblePair< _U1, _U2 >(), bool >::type = false> | |
| constexpr | pair (_U1 &&__x, _U2 &&__y) |
| template<typename _U1 = _T1, typename _U2 = _T2, typename enable_if< _PCCP::template _ConstructiblePair< _U1, _U2 >() &&_PCCP::template _ImplicitlyConvertiblePair< _U1, _U2 >(), bool >::type = true> | |
| constexpr | pair (const _T1 &__a, const _T2 &__b) |
| template<typename _U1 = _T1, typename _U2 = _T2, typename enable_if< _PCCP::template _ConstructiblePair< _U1, _U2 >() &&!_PCCP::template _ImplicitlyConvertiblePair< _U1, _U2 >(), bool >::type = false> | |
| constexpr | pair (const _T1 &__a, const _T2 &__b) |
| constexpr | pair (const pair &)=default |
| template<typename _U1 , typename _U2 , typename enable_if< _PCCFP< _U1, _U2 >::template _ConstructiblePair< _U1, _U2 >() &&_PCCFP< _U1, _U2 >::template _ImplicitlyConvertiblePair< _U1, _U2 >(), bool >::type = true> | |
| constexpr | pair (const pair< _U1, _U2 > &__p) |
| template<typename _U1 , typename _U2 , typename enable_if< _PCCFP< _U1, _U2 >::template _ConstructiblePair< _U1, _U2 >() &&!_PCCFP< _U1, _U2 >::template _ImplicitlyConvertiblePair< _U1, _U2 >(), bool >::type = false> | |
| constexpr | pair (const pair< _U1, _U2 > &__p) |
| constexpr | pair (pair &&)=default |
| template<typename _U1 , typename _U2 , typename enable_if< _PCCFP< _U1, _U2 >::template _MoveConstructiblePair< _U1, _U2 >() &&_PCCFP< _U1, _U2 >::template _ImplicitlyMoveConvertiblePair< _U1, _U2 >(), bool >::type = true> | |
| constexpr | pair (pair< _U1, _U2 > &&__p) |
| template<typename _U1 , typename _U2 , typename enable_if< _PCCFP< _U1, _U2 >::template _MoveConstructiblePair< _U1, _U2 >() &&!_PCCFP< _U1, _U2 >::template _ImplicitlyMoveConvertiblePair< _U1, _U2 >(), bool >::type = false> | |
| constexpr | pair (pair< _U1, _U2 > &&__p) |
| template<typename... _Args1, typename... _Args2> | |
| constexpr | pair (piecewise_construct_t, tuple< _Args1... >, tuple< _Args2... >) |
| pair & | operator= (__conditional_t< __and_< is_copy_assignable< _T1 >, is_copy_assignable< _T2 > >::value, const pair &, const __nonesuch & > __p) |
| pair & | operator= (__conditional_t< __and_< is_move_assignable< _T1 >, is_move_assignable< _T2 > >::value, pair &&, __nonesuch && > __p) noexcept(__and_< is_nothrow_move_assignable< _T1 >, is_nothrow_move_assignable< _T2 > >::value) |
| template<typename _U1 , typename _U2 > | |
| enable_if< __and_< is_assignable< _T1 &, const_U1 & >, is_assignable< _T2 &, const_U2 & > >::value, pair & >::type | operator= (const pair< _U1, _U2 > &__p) |
| template<typename _U1 , typename _U2 > | |
| enable_if< __and_< is_assignable< _T1 &, _U1 && >, is_assignable< _T2 &, _U2 && > >::value, pair & >::type | operator= (pair< _U1, _U2 > &&__p) |
| constexpr void | swap (pair &__p) noexcept(__and_< __is_nothrow_swappable< _T1 >, __is_nothrow_swappable< _T2 > >::value) |
| Related Symbols | |
|---|---|
| (Note that these are not member symbols.) | |
| template<typename _T1 , typename _T2 > | |
| constexpr pair< typename __decay_and_strip< _T1 >::__type, typename __decay_and_strip< _T2 >::__type > | make_pair (_T1 &&__x, _T2 &&__y) |
| template<typename _T1 , typename _T2 > | |
| pair (_T1, _T2) -> pair< _T1, _T2 > | |
| template<typename _T1 , typename _T2 , typename _U1 , typename _U2 > | |
| constexpr bool | operator== (const pair< _T1, _T2 > &__x, const pair< _U1, _U2 > &__y) |
| template<typename _T1 , typename _T2 , typename _U1 , typename _U2 > | |
| constexpr common_comparison_category_t< __detail::__synth3way_t< _T1, _U1 >, __detail::__synth3way_t< _T2, _U2 > > | operator (const pair< _T1, _T2 > &__x, const pair< _U1, _U2 > &__y) |
| template<typename _T1 , typename _T2 > | |
| constexpr enable_if< __and_< __is_swappable< _T1 >, __is_swappable< _T2 > >::value >::type | swap (pair< _T1, _T2 > &__x, pair< _T1, _T2 > &__y) noexcept(noexcept(__x.swap(__y))) |
template<typename _T1, typename _T2>
struct std::pair< _T1, _T2 >
Struct holding two objects of arbitrary type.
Template Parameters
| _T1 | Type of first object. |
|---|---|
| _T2 | Type of second object. |
https://gcc.gnu.org/onlinedocs/libstdc++/manual/utilities.html
Definition at line 284 of file stl_pair.h.
◆ first_type
template<typename _T1 , typename _T2 >
typedef _T1 std::pair< _T1, _T2 >::first_type
The type of the first member.
Definition at line 287 of file stl_pair.h.
◆ second_type
template<typename _T1 , typename _T2 >
typedef _T2 std::pair< _T1, _T2 >::second_type
The type of the second member.
Definition at line 288 of file stl_pair.h.
◆ pair() [1/16]
template<typename _T1 , typename _T2 >
| constexpr std::pair< _T1, _T2 >::pair ( const pair< _T1, _T2 > & ) | constexprdefault |
|---|
Copy constructor.
◆ pair() [2/16]
template<typename _T1 , typename _T2 >
| constexpr std::pair< _T1, _T2 >::pair ( pair< _T1, _T2 > && ) | constexprdefault |
|---|
Move constructor.
◆ pair() [3/16]
template<typename _T1 , typename _T2 >
template<typename _U1 = _T1, typename _U2 = _T2, typename enable_if< __and_< __is_implicitly_default_constructible< _U1 >, __is_implicitly_default_constructible< _U2 > > ::value, bool >::type = true>
| constexpr std::pair< _T1, _T2 >::pair ( ) | inlineconstexpr |
|---|
The default constructor creates first and second using their respective default constructors.
Definition at line 727 of file stl_pair.h.
◆ pair() [4/16]
template<typename _T1 , typename _T2 >
template<typename _U1 = _T1, typename _U2 = _T2, typename enable_if< __and_< is_default_constructible< _U1 >, is_default_constructible< _U2 >, __not_< __and_< __is_implicitly_default_constructible< _U1 >, __is_implicitly_default_constructible< _U2 > > > > ::value, bool >::type = false>
| constexpr std::pair< _T1, _T2 >::pair ( ) | inlineexplicitconstexpr |
|---|
◆ pair() [5/16]
template<typename _T1 , typename _T2 >
template<typename _U1 = _T1, typename _U2 = _T2, typename enable_if< _PCCP::template _ConstructiblePair< _U1, _U2 >() &&_PCCP::template _ImplicitlyConvertiblePair< _U1, _U2 >(), bool >::type = true>
| constexpr std::pair< _T1, _T2 >::pair ( const _T1 & __a, const _T2 & __b ) | inlineconstexpr |
|---|
Construct from two const lvalues, allowing implicit conversions.
Definition at line 754 of file stl_pair.h.
◆ pair() [6/16]
template<typename _T1 , typename _T2 >
template<typename _U1 = _T1, typename _U2 = _T2, typename enable_if< _PCCP::template _ConstructiblePair< _U1, _U2 >() &&!_PCCP::template _ImplicitlyConvertiblePair< _U1, _U2 >(), bool >::type = false>
| constexpr std::pair< _T1, _T2 >::pair ( const _T1 & __a, const _T2 & __b ) | inlineexplicitconstexpr |
|---|
Construct from two const lvalues, disallowing implicit conversions.
Definition at line 764 of file stl_pair.h.
◆ pair() [7/16]
template<typename _T1 , typename _T2 >
template<typename _U1 , typename _U2 , typename enable_if< _PCCFP< _U1, _U2 >::template _ConstructiblePair< _U1, _U2 >() &&_PCCFP< _U1, _U2 >::template _ImplicitlyConvertiblePair< _U1, _U2 >(), bool >::type = true>
| constexpr std::pair< _T1, _T2 >::pair ( const pair< _U1, _U2 > & __p) | inlineconstexpr |
|---|
◆ pair() [8/16]
template<typename _T1 , typename _T2 >
template<typename _U1 , typename _U2 , typename enable_if< _PCCFP< _U1, _U2 >::template _ConstructiblePair< _U1, _U2 >() &&!_PCCFP< _U1, _U2 >::template _ImplicitlyConvertiblePair< _U1, _U2 >(), bool >::type = false>
| constexpr std::pair< _T1, _T2 >::pair ( const pair< _U1, _U2 > & __p) | inlineexplicitconstexpr |
|---|
◆ pair() [9/16]
template<typename _T1 , typename _T2 >
| constexpr std::pair< _T1, _T2 >::pair ( _U1 && __x, __zero_as_null_pointer_constant , ... ) | inlineconstexpr |
|---|
◆ pair() [10/16]
template<typename _T1 , typename _T2 >
| constexpr std::pair< _T1, _T2 >::pair ( _U1 && __x, __zero_as_null_pointer_constant , ... ) | inlineexplicitconstexpr |
|---|
◆ pair() [11/16]
template<typename _T1 , typename _T2 >
| constexpr std::pair< _T1, _T2 >::pair ( __zero_as_null_pointer_constant , _U2 && __y, ... ) | inlineconstexpr |
|---|
◆ pair() [12/16]
template<typename _T1 , typename _T2 >
| constexpr std::pair< _T1, _T2 >::pair ( __zero_as_null_pointer_constant , _U2 && __y, ... ) | inlineexplicitconstexpr |
|---|
◆ pair() [13/16]
template<typename _T1 , typename _T2 >
template<typename _U1 , typename _U2 , typename enable_if< _PCCP::template _MoveConstructiblePair< _U1, _U2 >() &&_PCCP::template _ImplicitlyMoveConvertiblePair< _U1, _U2 >(), bool >::type = true>
| constexpr std::pair< _T1, _T2 >::pair ( _U1 && __x, _U2 && __y ) | inlineconstexpr |
|---|
◆ pair() [14/16]
template<typename _T1 , typename _T2 >
template<typename _U1 , typename _U2 , typename enable_if< _PCCP::template _MoveConstructiblePair< _U1, _U2 >() &&!_PCCP::template _ImplicitlyMoveConvertiblePair< _U1, _U2 >(), bool >::type = false>
| constexpr std::pair< _T1, _T2 >::pair ( _U1 && __x, _U2 && __y ) | inlineexplicitconstexpr |
|---|
◆ pair() [15/16]
template<typename _T1 , typename _T2 >
template<typename _U1 , typename _U2 , typename enable_if< _PCCFP< _U1, _U2 >::template _MoveConstructiblePair< _U1, _U2 >() &&_PCCFP< _U1, _U2 >::template _ImplicitlyMoveConvertiblePair< _U1, _U2 >(), bool >::type = true>
| constexpr std::pair< _T1, _T2 >::pair ( pair< _U1, _U2 > && __p) | inlineconstexpr |
|---|
◆ pair() [16/16]
template<typename _T1 , typename _T2 >
template<typename _U1 , typename _U2 , typename enable_if< _PCCFP< _U1, _U2 >::template _MoveConstructiblePair< _U1, _U2 >() &&!_PCCFP< _U1, _U2 >::template _ImplicitlyMoveConvertiblePair< _U1, _U2 >(), bool >::type = false>
| constexpr std::pair< _T1, _T2 >::pair ( pair< _U1, _U2 > && __p) | inlineexplicitconstexpr |
|---|
◆ operator=() [1/4]
template<typename _T1 , typename _T2 >
◆ operator=() [2/4]
template<typename _T1 , typename _T2 >
◆ operator=() [3/4]
template<typename _T1 , typename _T2 >
template<typename _U1 , typename _U2 >
◆ operator=() [4/4]
template<typename _T1 , typename _T2 >
template<typename _U1 , typename _U2 >
◆ swap()
template<typename _T1 , typename _T2 >
| constexpr void std::pair< _T1, _T2 >::swap ( pair< _T1, _T2 > & __p) | inlineconstexprnoexcept |
|---|
◆ first
template<typename _T1 , typename _T2 >
The first member.
Definition at line 290 of file stl_pair.h.
Referenced by __gnu_parallel::__find_template(), __gnu_parallel::__find_template(), std::__sample(), std::set< _Key, _Compare, _Alloc >::insert(), std::pair< _T1, _T2 >::operator(), std::pair< _T1, _T2 >::operator==(), std::shuffle(), and std::pair< _T1, _T2 >::swap().
◆ second
template<typename _T1 , typename _T2 >
The second member.
Definition at line 291 of file stl_pair.h.
Referenced by std::__sample(), std::set< _Key, _Compare, _Alloc >::insert(), std::pair< _T1, _T2 >::operator(), std::pair< _T1, _T2 >::operator==(), std::shuffle(), and std::pair< _T1, _T2 >::swap().
The documentation for this struct was generated from the following files: