Re: [Haskell-cafe] Pattern matching does not work like this?

15 Jul 2009


      2009/7/15 minh thu :
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2009/7/15 Magicloud Magiclouds :
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Hi,
 I do not notice this before. "fun ([0, 1] ++ xs) = .." in my code
could not be compiled, parse error.
++ is a function; you can't pattern-match on that.
But here you can match against (0:1:xs).