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std::pair::operator=

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< cpp‎ | utility‎ | pair
Revision as of 17:04, 26 August 2013 by P12 (Talk | contribs)

pair& operator=( const pair& other );
(1)
template< class U1, class U2 >
pair& operator=( const pair<U1,U2>& other );
(2)
pair& operator=( pair&& other );
(3) (since C++11)
template< class U1, class U2 >
pair& operator=( pair<U1,U2>&& other );
(4) (since C++11)

Replaces the contents of the pair.

1) Copy assignment operator. Replaces the contents with a copy of the contents of other.
2) Assigns other.first to first and other.second to second
3) Move assignment operator. Replaces the contents with those of other using move semantics.
4) Assigns std::forward<U1>(p.first) to first and std::forward<U2>(p.second) to second.

Contents

Parameters

other - pair of values to replace the contents of this pair

Return value

*this

Exceptions

1-2) (none)
3)
(none) (until C++11)
noexcept specification:  
noexcept(

    is_nothrow_move_assignable<T1>::value &&
    is_nothrow_move_assignable<T2>::value

)
(since C++11)
4) (none)

Example

See also