std::execution::stopped_as_optional - cppreference.com (original) (raw)

| | | | | ----------------------------------------------------------------------------- | | ------------- | | execution::sender auto stopped_as_optional( /*single-sender*/ auto snd ); | | (since C++26) |

[edit] Parameters

snd - input sender of which the value channel and stopped channel are mapped.

[edit] Return value

Returns a sender that maps the value channel from a T to an std::optional<std::decay_t<T>>, and maps the stopped channel to a value of an empty std::optional<std::decay_t<T>>.

[edit] Example