RosettaCodeData/Task/FizzBuzz/KL1/fizzbuzz.kl1

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:- module main.
main :-
nats(100, Nats),
fizzbuzz(Nats, Output),
display(Output).
nats(Max, Out) :-
nats(Max, 1, Out).
nats(Max, Count, Out) :- Count =< Max |
Out = [Count|NewOut],
NewCount := Count + 1,
nats(Max, NewCount, NewOut).
nats(Max, Count, Out) :- Count > Max |
Out = [].
fizzbuzz([N|Rest], Out) :- N mod 3 =:= 0, N mod 5 =:= 0 |
Out = ['FizzBuzz' | NewOut],
fizzbuzz(Rest, NewOut).
fizzbuzz([], Out) :-
Out = [].
alternatively.
fizzbuzz([N|Rest], Out) :- N mod 3 =:= 0 |
Out = ['Fizz' | NewOut],
fizzbuzz(Rest, NewOut).
fizzbuzz([N|Rest], Out) :- N mod 5 =:= 0 |
Out = ['Buzz' | NewOut],
fizzbuzz(Rest, NewOut).
alternatively.
fizzbuzz([N|Rest], Out) :-
Out = [N | NewOut],
fizzbuzz(Rest, NewOut).
display([Message|Rest]) :-
io:outstream([print(Message), nl]),
display(Rest).
display([]).