Published at LXer:
Picat (
http://picat-lang.org/) is a new logic-based programming language. In many ways, Picat is similar to Prolog, especially B-Prolog, but it has functions in addition to predicates, pattern-matching instead of unification, explicit non-determinism (?=[he]gt[/he] means a non-deterministic goal), and destructive assignment.
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