std::promise<R>::operator=
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promise& operator=( promise&& other ) noexcept;
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(1) | (since C++11) |
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promise& operator=( const promise& rhs ) = delete;
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(2) | (since C++11) |
Assigns the contents.
1) Move assignment operator. First, abandons the shared state (as in ~promise()), then assigns the shared state of
other as if by executing std::promise(std::move(other)).swap(*this).2)
promise is not copy-assignable.Parameters
| other | - | another promise to acquire the state from |
Return value
*this