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std::execution:: just_stopped

From cppreference.net
Defined in header <execution>
inline constexpr just_stopped_t just_stopped { } ;
struct just_stopped_t { /*unspecified*/ } ;
(since C++26)
(customization point object)
Call signature
execution :: sender auto just_stopped ( ) ;
(since C++26)

A sender factory that returns a sender which completes immediately by calling the receiver’s set_stopped() .

The expression just_stopped ( ) is expression-equivalent to /*make-sender*/ ( just_stopped )

Customization point objects

The name execution::just_stopped denotes a customization point object , which is a const function object of a literal semiregular class type. The cv-unqualified version of its type is a tag type denoted as execution::just_stopped_t . See CustomizationPointObject for details.

Example