std::pair< _T1, _T2 > Struct Template Reference

Public Types
typedef _T1	first_type
typedef _T2	second_type

Public Member Functions
constexpr	pair ()
constexpr	pair (const _T1 &__a, const _T2 &__b)
template<class _U1 , class _U2 , class = typename enable_if<__and_<is_convertible<const _U1&, _T1>, is_convertible<const _U2&, _T2>>::value>::type>
constexpr	pair (const pair< _U1, _U2 > &__p)
constexpr	pair (const pair &)=default
constexpr	pair (pair &&)=default
template<class _U1 , class = typename enable_if<is_convertible<_U1, _T1>::value>::type>
constexpr	pair (_U1 &&__x, const _T2 &__y)
template<class _U2 , class = typename enable_if<is_convertible<_U2, _T2>::value>::type>
constexpr	pair (const _T1 &__x, _U2 &&__y)
template<class _U1 , class _U2 , class = typename enable_if<__and_<is_convertible<_U1, _T1>, is_convertible<_U2, _T2>>::value>::type>
constexpr	pair (_U1 &&__x, _U2 &&__y)
template<class _U1 , class _U2 , class = typename enable_if<__and_<is_convertible<_U1, _T1>, is_convertible<_U2, _T2>>::value>::type>
constexpr	pair (pair< _U1, _U2 > &&__p)
template<typename... _Args1, typename... _Args2>
	pair (piecewise_construct_t, tuple< _Args1... >, tuple< _Args2... >)
pair &	operator= (const pair &__p)
pair &	operator= (pair &&__p) noexcept(__and_< is_nothrow_move_assignable< _T1 >, is_nothrow_move_assignable< _T2 >>::value)
template<class _U1 , class _U2 >
pair &	operator= (const pair< _U1, _U2 > &__p)
template<class _U1 , class _U2 >
pair &	operator= (pair< _U1, _U2 > &&__p)
void	swap (pair &__p) noexcept(noexcept(swap(first, __p.first)) &&noexcept(swap(second, __p.second)))

Public Attributes
_T1	first
_T2	second

Detailed Description

template<class _T1, class _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.

Definition at line 96 of file stl_pair.h.

Member Typedef Documentation

template<class _T1, class _T2>

typedef _T2 std::pair< _T1, _T2 >::second_type

first_type is the first bound type

Definition at line 99 of file stl_pair.h.

Constructor & Destructor Documentation

template<class _T1, class _T2>

constexpr std::pair< _T1, _T2 >::pair ( )

inline

second is a copy of the second object

The default constructor creates first and second using their respective default constructors.

Definition at line 108 of file stl_pair.h.

template<class _T1, class _T2>

constexpr std::pair< _T1, _T2 >::pair ( const _T1 &  __a, const _T2 &  __b  )

inline

Two objects may be passed to a pair constructor to be copied.

Definition at line 112 of file stl_pair.h.

template<class _T1, class _T2>

template<class _U1 , class _U2 , class = typename enable_if<__and_<is_convertible<const _U1&, _T1>, is_convertible<const _U2&, _T2>>::value>::type>

constexpr std::pair< _T1, _T2 >::pair ( const pair< _U1, _U2 > &  __p )

inline

There is also a templated copy ctor for the pair class itself.

Definition at line 124 of file stl_pair.h.

Member Data Documentation

template<class _T1, class _T2>

_T1 std::pair< _T1, _T2 >::first

second_type is the second bound type

Definition at line 101 of file stl_pair.h.

Referenced by __gnu_parallel::__qsb_conquer(), std::_Temporary_buffer< _ForwardIterator, _Tp >::_Temporary_buffer(), std::set< _Key, _Compare, _Alloc >::insert(), std::minmax_element(), __gnu_pbds::detail::pat_trie_map< Key, Mapped, Node_And_It_Traits, _Alloc >::node_end(), std::operator<(), std::operator==(), std::pair< _BiIter, _BiIter >::pair(), and std::regex_replace().

template<class _T1, class _T2>

_T2 std::pair< _T1, _T2 >::second

first is a copy of the first object

Definition at line 102 of file stl_pair.h.

Referenced by __gnu_parallel::__qsb_conquer(), std::_Temporary_buffer< _ForwardIterator, _Tp >::_Temporary_buffer(), std::set< _Key, _Compare, _Alloc >::insert(), std::minmax_element(), std::operator==(), std::pair< _BiIter, _BiIter >::pair(), and std::regex_replace().

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The documentation for this struct was generated from the following files:

• stl_pair.h
• tuple