On Wed, Oct 8, 2008 at 9:12 PM, Paul Keir <[EMAIL PROTECTED]> wrote:
> It brings tears to my eyes to see such a beautiful function ;) You've hit
> the nail on the head Ryan. The new version of my second previous code
> snippet now no longer requires "fixpu*", and is:
>
> typeCheckAST (Program pus) = Program $ snd $ mapAccumL f [] pus
>
> where f st pu = (st ++ [("",[])],pu)
I'm confused about this. If I'm reading this correctly,
snd $ mapAccumL f (undefined) pus == map id pus == pus
-- ryan
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