Thu, 1 Mar 2001 20:25:28 +0900 (KST), Laszlo Nemeth <[EMAIL PROTECTED]> pisze:
> > Prelude> let f x | Just _ == x = 0 in f (Just 4)
> > ERROR: Illegal `_' in expression
>
> So it works with (Just 4), but it doesn't with (Just _)?
'Just _ == x' must be an exppression. '_' is a pattern but not an
expression.
--
__("< Marcin Kowalczyk * [EMAIL PROTECTED] http://qrczak.ids.net.pl/
\__/
^^ SYGNATURA ZASTÊPCZA
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