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