std::execution::just_error

 

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Defined in header <execution>
execution::sender auto just_error( auto && error );		(since C++26)

Parameters

error

-

input error which will be injected and returned by the receiver.

Return value

Returns a sender with no completion schedulers, which sends the provided values.

Notes

If the provided error is an lvalue reference, a copy is made inside the returned sender and a non-const lvalue reference to the copy is sent to the receiver’s set_error. If the provided value is an rvalue reference, it is moved into the returned sender and an rvalue reference to it is sent to the receiver’s set_error.