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List:       haskell-cafe
Subject:    Re: [Haskell-cafe] Re: what is inverse of mzero and return?
From:       Ketil Malde <ketil+haskell () ii ! uib ! no>
Date:       2005-01-25 7:32:48
Message-ID: egllaidkv3.fsf () ii ! uib ! no
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Daniel Fischer <daniel.is.fischer@web.de> writes:

>> 'everything matters' is wrong even for IO actions, because the
>> actual value returned when the action is executed is completely
>> irrelevant to the IO action's identity.

> Now that I cannot swallow, that would mean
> return 4 == return 5.

I would argue that 'return 4' (or '5') isn't an IO action (it may not
even be in the IO monad, of course, but even within it.)

-kzm
-- 
If I haven't seen further, it is by standing in the footprints of giants


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