[Haskell-cafe] Re: what is inverse of mzero and return?
Jorge Adriano Aires
jadrian at mat.uc.pt
Tue Jan 25 09:19:58 EST 2005
On Tuesday 25 January 2005 02:25, Jan-Willem Maessen wrote:
> On Jan 24, 2005, at 8:53 PM, Jorge Adriano Aires wrote:
> > And it would say nothing about things like:
> > return 4 >> return 5 ==?== return 5
> > I can live with it.
> I feel obliged to point out (because the repeated references to the
> question are driving me up the wall) that this simple equality holds in
> every monad:
> return 4 >> return 5
> return 5
Opss, of course...
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