[Haskell-cafe] Re: Referential Transparency and Monads
Brandon S. Allbery KF8NH
allbery at ece.cmu.edu
Fri Apr 10 01:12:31 EDT 2009
On 2009 Apr 10, at 1:09, Jonathan Cast wrote:
> On Fri, 2009-04-10 at 01:03 -0400, Brandon S. Allbery KF8NH wrote:
>> On 2009 Apr 10, at 0:52, Jonathan Cast wrote:
>>> On Fri, 2009-04-10 at 00:46 -0400, Brandon S. Allbery KF8NH wrote:
>>>>> IO a ~ World -> (a, World)
>>>> I still don't understand this; we are passing a World and getting a
>>>> World back,
>>> We are? Why do you think that?
>> Because that's what (World -> (a,World)) means, last I checked.
> undefined :: (a, World)
> contain a World?
> undefined :: Sum Int
contain an Int? Please use some common sense, your recent responses
are increasingly incoherent.
brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university KF8NH
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