std::execution:: stopped_as_optional

From cppreference.com
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