[erlang-bugs] lists:dropwhile
Matt Handler
matt.handler@REDACTED
Fri Jun 13 15:55:53 CEST 2008
dropwhile does not work properly as defined in R12B-2:
01 dropwhile(Pred, [Hd|Tail]=Rest) ->
02 case Pred(Hd) of
03 true -> dropwhile(Pred, Tail);
04 false -> Rest
05 end;
06 dropwhile(Pred, []) when is_function(Pred, 1) -> [].
it returns the entire list once it finds an element that doesn't match true.
here's what i did instead:
dropwhile(Fun, List) ->
[Element ||
Element <- List,
Fun(Element) =/= true].
thanks,
-matt
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