12 Sep
2002
12 Sep
'02
6:25 a.m.
Wed, 11 Sep 2002 16:42:55 +1000 (EST), Manuel M T Chakravarty <chak@cse.unsw.edu.au> pisze:
Sure, but there is also
null = (== [])
in the Prelude and `Maybe.isNothing'.
Because they work even if list element type or the type argument of Maybe isn't Eq. There is no analogous need for null pointers (as for numeric 0). -- __("< Marcin Kowalczyk \__/ qrczak@knm.org.pl ^^ http://qrnik.knm.org.pl/~qrczak/