std::execution:: let_stopped

From cppreference.com
Defined in header <execution>
execution :: sender auto let_stopped ( execution :: sender auto input,
std:: invocable auto function ) ;
(since C++26)

Parameters

input - sender which once stopped, sends the "stop token" to execute the function
function - invocable to be called with errors in case an error occurs by input sender

Return value

Returns a sender describing the task graph described by the input sender, with an added node invoked when the "stopped" signal is sent.

Example