In Promise§
See primary documentation in context for method cause.
method cause(Promise:D:)
If the promise was broken, returns the result (or exception). Otherwise, throws an exception of type X::Promise::CauseOnlyValidOnBroken
.
See primary documentation in context for method cause.
method cause(Promise:D:)
If the promise was broken, returns the result (or exception). Otherwise, throws an exception of type X::Promise::CauseOnlyValidOnBroken
.