It is, but not in the way that imperiative aficionados would use it. There are no imperative programmers, who are interested in FP - but won't switch to it bec

It is, but not in the way that imperiative aficionados would use it. There are no imperative programmers, who are interested in FP - but won't switch to it because they'd have to give up their pragmatic getCallStack() and setCallStack() methods.