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std_pair.3cxx

NAME

std::pair -

pair holds two objects of arbitrary type.

SYNOPSIS

Public Types

typedef _T1 first_type

typedef _T2 second_type

Public Member Functions

pair ()

pair (const _T1 &__a, const _T2 &__b)

template<class _U2 , class = typename std::enable_if<std::is_convertible<_U2, _T2>::value>::type> pair (const _T1 &__x, _U2 &&__y)

template<class _U1 , class _U2 , class = typename std::enable_if<std::is_convertible<_U1, _T1>::value && std::is_convertible<_U2, _T2>::value>::type> pair (_U1 &&__x, _U2 &&__y)

template<class _U1 , class _U2 > pair (pair< _U1, _U2 > &&__p)

template<class _U1 , class _U2 > pair (const pair< _U1, _U2 > &__p)

template<class _U1 , class = typename std::enable_if<std::is_convertible<_U1, _T1>::value>::type> pair (_U1 &&__x, const _T2 &__y)

pair & operator= (pair &&__p)

template<class _U1 , class _U2 > pair & operator= (pair< _U1, _U2 > &&__p)

void swap (pair &__p)

Public Attributes

_T1 first

_T2 second

Detailed Description

template<class _T1, class _T2> struct std::pair< _T1, _T2 >

pair holds two objects of arbitrary type.

Definition at line 71 of file stl_pair.h.

Member Typedef Documentation

template<class _T1, class _T2> typedef _T1 std::pair< _T1, _T2 >::first_type

first_type is the first bound type

Definition at line 73 of file stl_pair.h.

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

second_type is the second bound type

Definition at line 74 of file stl_pair.h.

Constructor & Destructor Documentation

template<class _T1, class _T2> std::pair< _T1, _T2 >::pair () [inline]The default constructor creates first and second using their respective default constructors.

Definition at line 83 of file stl_pair.h.

template<class _T1, class _T2> 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 87 of file stl_pair.h.

template<class _T1, class _T2> template<class _U1 , class _U2 > 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 114 of file stl_pair.h.

Member Data Documentation

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

first is a copy of the first object

Definition at line 76 of file stl_pair.h.

Referenced by std::_Temporary_buffer< _ForwardIterator, _Tp >::_Temporary_buffer(), std::set< _Key, _Compare, _Alloc >::insert(), and std::operator==().

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

second is a copy of the second object

Definition at line 77 of file stl_pair.h.

Referenced by std::_Temporary_buffer< _ForwardIterator, _Tp >::_Temporary_buffer(), std::set< _Key, _Compare, _Alloc >::insert(), and std::operator==().

Author

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