[Haskell-cafe] Re: Wikipedia on first-class object
cristi at ot.onrc.ro
Mon Dec 31 02:20:21 EST 2007
a :: Something
a = let x = x in x
On Mon, 31 Dec 2007 09:11:12 +0200, Cristian Baboi <cristi at ot.onrc.ro>
> Thank you.
> data Something = This | S Something
> ppp :: Something -> String
> ppp This = ""
> ppp (S x) = 'S':(ppp x)
> How can I prevent one to pass 'let x = S x in x' to ppp ?
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