Yes, of course, sorry for the typo. On Mon, Dec 22, 2008 at 9:17 AM, Denis Bueno <dbu...@gmail.com> wrote:
> 2008/12/22 Andrew Wagner <wagner.and...@gmail.com>: > > The problem here is even slightly deeper than you might realize. For > > example, what if you have a list of functions. How do you compare two > > functions to each other to see if they're equal? There is no good way > really > > to do it! So, not only is == not completely polymorphic, but it CAN'T be. > > > > There is a nice solution for this, however, and it's very simple: > > > > contain :: Eq a -> [a] -> Bool > > Please note that the syntax here should be: > > contain :: Eq a => a -> [a] -> Bool > > Denis >
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