Difference between revisions of "cpp/utility/pair/operator="
From cppreference.com
m (Shorten template names. Use {{lc}} where appropriate.) |
m (Use since= and until= params of {{dcl}} template.) |
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pair& operator=( const pair<U1,U2>& other ); | pair& operator=( const pair<U1,U2>& other ); | ||
}} | }} | ||
| − | {{dcl | num=3 | | + | {{dcl | num=3 | since=c++11 | 1= |
pair& operator=( pair&& other ); | pair& operator=( pair&& other ); | ||
}} | }} | ||
| − | {{dcl | num=4 | | + | {{dcl | num=4 | since=c++11 | 1= |
template< class U1, class U2 > | template< class U1, class U2 > | ||
pair& operator=( pair<U1,U2>&& other ); | pair& operator=( pair<U1,U2>&& other ); | ||
Revision as of 15:55, 1 July 2013
| 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)noexcept specification:
noexcept(
is_nothrow_move_assignable<T1>::value &&
is_nothrow_move_assignable<T2>::value
4) (none)
Example
| This section is incomplete Reason: no example |
