[Haskell-cafe] Re: Wikipedia on first-class object
jules at jellybean.co.uk
Fri Dec 28 09:10:15 EST 2007
It won't work because haskell functions can't have side-effects.
I'm not quite sure what you're trying to say here.
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>
>> 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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