std::execution::stopped_as_optional
Defined in header <execution> | ||
|---|---|---|
execution::sender auto stopped_as_optional( /*single-sender*/ auto snd ); | (since C++26) |
Parameters
| snd | - | input sender of which the value channel and stopped channel are mapped. |
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>>.
Example
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