[Haskell-cafe] Re: Wikipedia on first-class object

Cristian Baboi cristi at ot.onrc.ro
Fri Dec 28 09:21:16 EST 2007


On Fri, 28 Dec 2007 16:10:15 +0200, Jules Bean <jules at jellybean.co.uk>  
wrote:

> It won't work because haskell functions can't have side-effects.
>
> I'm not quite sure what you're trying to say here.
>
> Jules
>

What I am trying to say is:
- storing something to disk does not mean one must have a function to  
convert that something to a Haskell String
- I want to be able to use a function defined in one process in other  
process even if the two does not run at the same time


> Cristian Baboi wrote:
>> But I guess it won't work because the compiler will optimize it and the  
>> call will disappear.
>>   On Fri, 28 Dec 2007 14:58:53 +0200, Cristian Baboi  
>> <cristi at ot.onrc.ro> wrote:
>>
>>> Here is how I want print to be in Haskell
>>>
>>> print :: (a->b) -> (a->b)
>>>
>>> with print = id, but the following "side effect":
>>>
>>> - I want to call the print function today, and get the value tomorrow.
>>>
>>>
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