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Difference between revisions of "cpp/thread/promise/swap2"

From cppreference.com
< cpp‎ | thread‎ | promise
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===Exceptions===
 
===Exceptions===
{{noexcept}}
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{{unreviewed noexcept}}
  
 
===Example===
 
===Example===

Revision as of 11:53, 31 March 2017

 
 
Concurrency support library
Threads
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this_thread namespace
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Cooperative cancellation
Mutual exclusion
(C++11)
Generic lock management
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Condition variables
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Semaphores
Latches and Barriers
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Safe Reclamation
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Initialization of atomic types
(C++11)(deprecated in C++20)
(C++11)(deprecated in C++20)
Memory ordering
Free functions for atomic operations
Free functions for atomic flags
 
 
Defined in header <future>
template< class R >
void swap( promise<R> &lhs, promise<R> &rhs );
(since C++11)

Specializes the std::swap algorithm for std::promise. Exchanges the shared state of lhs with that of rhs. Effectively calls lhs.swap(rhs).

Contents

Parameters

lhs, rhs - promises whose states to swap

Return value

(none)

Exceptions

noexcept specification:  
noexcept
  

Example

See also

swaps two promise objects
(public member function) [edit]