RosettaCodeData/Task/Pangram-checker/Prolog/pangram-checker.pro
Ingy döt Net b83f433714 tasks a-s
2013-04-10 23:57:08 -07:00

12 lines
362 B
Prolog

pangram(L) :-
numlist(0'a, 0'z, Alphabet),
forall(member(C, Alphabet), member(C, L)).
pangram_example :-
L1 = "the quick brown fox jumps over the lazy dog",
( pangram(L1) -> R1= ok; R1 = ko),
format('~s --> ~w ~n', [L1,R1]),
L2 = "the quick brown fox jumped over the lazy dog",
( pangram(L2) -> R2 = ok; R2 = ko),
format('~s --> ~w ~n', [L2, R2]).