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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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Task/Higher-order-functions/Visual-Prolog/higher-order-functions.pro Normal file
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domains
intFunction = (integer In) -> integer Out procedure (i).
class predicates
addone : intFunction.
doTwice : (intFunction, integer) -> integer procedure (i, i).
clauses
doTwice(Pred,X) = Y :- Y = Pred(Pred(X)).
addone(X) = Y := Y = X + 1.
run():-
init(),
write(dotwice(addone,2)),
succeed().