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

On Fri, 28 Dec 2007 16:10:15 +0200, Jules Bean 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 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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