setError method
Change the error value.
Implementation
@protected
void setError(Error newError, {bool force = false}) {
var candidate = _mutableObjects.triple.copyWith(error: newError, event: TripleEvent.error);
candidate = middleware(candidate);
if (force || (candidate.error != _mutableObjects.triple.error)) {
_mutableObjects.triple = candidate;
propagate(_mutableObjects.triple);
}
}