std::stop_source:: stop_source

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std::stop_source
stop_source ( ) ;
(1) (since C++20)
explicit stop_source ( std:: nostopstate_t nss ) noexcept ;
(2) (since C++20)
stop_source ( const stop_source & other ) noexcept ;
(3) (since C++20)
stop_source ( stop_source && other ) noexcept ;
(4) (since C++20)

Constructs a new stop_source object.

1) Constructs a stop_source with new stop-state.
2) Constructs an empty stop_source with no associated stop-state.
3) Copy constructor. Constructs a stop_source whose associated stop-state is the same as that of other .
4) Move constructor. Constructs a stop_source whose associated stop-state is the same as that of other ; other is left empty.

Parameters

nss - an std::nostopstate_t placeholder object to construct an empty stop_source
other - another stop_source object to construct this stop_source object with

Postconditions

1) stop_possible() is true and stop_requested() is false .
2) stop_possible() and stop_requested() are both false .
3) * this and other share the same associated stop-state and compare equal.
4) * this has other 's previously associated stop-state, and other. stop_possible ( ) is false .

Exceptions

1) std::bad_alloc if memory could not be allocated for the stop-state.
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