Am Montag, den 16.12.2019, 23:18 +0100 schrieb Michael Hanus:
> However, there is one important
> difference: Haskell has a sequential interpretation of equations,
> i.e., a rule like "p x = True" does not imply that predicate p
> always delivers True but it depends on preceding rules for p.
> In Curry, overlapping rules lead to non-deterministic programs.
> Furthermore, Curry programs might yield results where Haskell
> does not terminate due to a different (optimal) pattern matching
> strategy. Thus, many Haskell programs have an identical meaning
> in Curry but not all.
I'm a long-term Haskell user. Yes, that difference in the
interpretation of equations was a source of confusion when I
(partially) learned Mercury a few months ago...
So you can't avoid looking at the entire code closely, when you want to
port from Haskell to Curry.
Goodbye,
Volker
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Received on Do Dez 19 2019 - 10:47:08 CET