RosettaCodeData/Task/Count-in-octal/Prolog/count-in-octal.pro
2020-02-17 23:21:07 -08:00

14 lines
194 B
Prolog

o(O) :- member(O, [0,1,2,3,4,5,6,7]).
octal([O]) :- o(O).
octal([A|B]) :-
octal(O),
o(T),
append(O, [T], [A|B]),
dif(A, 0).
octalize :-
forall(
octal(X),
(maplist(write, X), nl)
).