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Returns an awaitable object that may be used to reset the cancellation state of the current coroutine.
template< typename Filter> constexpr unspecified reset_cancellation_state( Filter && filter);
Let P be the cancellation
slot associated with the current coroutine's co\_spawn
completion handler. Assigns a new cancellation_state object S, constructed as S(P,
std::forward<Filter>(filter)),
into the current coroutine's cancellation state object.
asio::awaitable<void> my_coroutine() { co_await asio::this_coro::reset_cancellation_state( asio::enable_partial_cancellation()); // ... }
The cancellation state is shared by all coroutines in the same "thread
of execution" that was created using co_spawn.