# std::promise<R>::swap

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< cpp‎ | thread‎ | promise

void swap( promise& other ) noexcept; |  | (since C++11)

Exchanges the shared states of two promise objects.

### Parameters

other | - | the promise to swap with

### Return value

(none)

### Example

| This section is incomplete Reason: no example

### See also

std::swap(std::promise) (C++11) | specializes the std::swap algorithm (function template)

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