On Tue, 04 Nov 2008 07:40:50 +0900, David Menendez <[EMAIL PROTECTED]> wrote: >> ie: >> >> action >> `catches` >> [ \(e :: ExitCode) -> ... >> , \(e :: PatternMatchFail) -> ... >> ] >> >> or just by using multiple catch clauses: >> >> action >> `catch` (\(e :: ExitCode) -> ...) >> `catch` (\(e :: PatternMatchFail) -> ...) > > I don't think those are equivalent. In the second case, the > PatternMatchFail handler scopes over the ExitCode handler.
I think Duncan forgot to write parens. According to Ian's example, here is an equivalent code. (action `catch` (\(e :: ExitCode) -> ...)) `catch` (\(e :: PatternMatchFail) -> ...) http://www.haskell.org/pipermail/libraries/2008-July/010095.html Best Regards, -- shelarcy <shelarcy hotmail.co.jp> http://page.freett.com/shelarcy/ _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
