Executing boolean expressions on a list

Vladimir Sekissov <>
Fri Mar 14 11:01:28 CET 2003

Good day,

spearce> 	recursive(N, [H | T]) -> somef(N, H) and recursive(N,
spearce> 	recursive(N, []) -> true.
spearce> but was worried about order of evaluation on the and operator
spearce> and not being able tail-recursive.

recursive(N, [H | T]) -> somef(N, H) andalso recursive(N, T);
recursive(N, []) -> true.

This variant would be the right answer. `andalso' calculates it's right
part only if the left is true (as in C,Perl, etc).

Best Regards,
Vladimir Sekissov

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