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by YeGoblynQueenne
2956 days ago
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Prolog on the other hand has a very clear imperative reading, that fits alongside the declarative one. In fact, this is probably one reason why many programmers used to imperative languages find it hard to pick up Prolog and run with it - they get distracted by the imperative reading. On the other hand, that makes it much easier to debug code, by thinking along the lines of "p/2 is called after p/4" or even "p/2 returns A that is passed to p/4" (even though strictly speaking predicates don't "return" stuff). |
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