On Thu, Feb 5, 2009 at 12:25 PM, Andrew Wagner <wagner.and...@gmail.com>wrote:
> On Thu, Feb 5, 2009 at 3:21 PM, David Leimbach <leim...@gmail.com> wrote: > >> >> Well all I can tell you is that I can have (IO Int) in a function as a >> return, and the function is not idempotent in terms of the "stuff" inside IO >> being the same. >> >> Sounds impure to me. >> > > Right, thus IO is impure. but as long as the function that returns the IO > Int returns the same IO Int every time you provide the same input, it's > pure. > Ah yes I see your point... that's true absolutely.
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