[Haskell-cafe] Re: don't: a 'do' for comonads?
Donald Bruce Stewart
dons at cse.unsw.edu.au
Thu Nov 9 22:46:52 EST 2006
> Donald Bruce Stewart wrote:
> > As seen on #haskell, from an idea by Malcolm,
> > 14:42 ?let top'n'tail = ("<pre>"++) . (++"</pre>")
> > 14:42 lambdabot> Defined.
> > 14:43 dons> > L.top'n'tail "foo me now"
> > 14:43 lambdabot> "<pre>foo me now</pre>"
> > 14:43 mauke> that reminds me, haskell needs don't
> > 14:43 dons> yes!
> > 14:44 pkhuong-> mm. the opposite of do, eh? do for comonads? :)
> > So now a prize to the person who comes up with the best use for the
> > identifier:
> > don't :: ?
> > -- Don
> don't :: IO a -> a
> example :: ()
> example = don't (do erase "/dev/hda")
I like it!
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