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# std::swap(std::pair)

From cppreference.com
< cpp‎ | utility‎ | pair

template< class T1, class T2 > void swap( pair<T1,T2>& lhs, pair<T1,T2>& rhs ); |  |

Swaps the contents of `lhs` and `rhs`. Equivalent to lhs.swap(rhs).

### [edit] Parameters

lhs, rhs | - | pairs whose contents to swap

### [edit] Return value

(none)

### [edit] Exceptions

(none) | (until C++11)
`noexcept` specification: (since C++11) noexcept(noexcept(x.swap(y))) | (since C++11)

### [edit] See also

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