[Haskell-cafe] Getting debugging/logging info?

[Hugh Perkins]

Ok, I'll play with that.

On 7/3/07, Jules Bean <jules at jellybean.co.uk> wrote:
>
> Hugh Perkins wrote:
> > In imperative languages we can do this type of thing:
> >
> > SystemLogging.LogInfo("About to do something...");
> > DoSomething();
> > SystemLogging.LogInfo("Did Something");
> > SystemLogging.LogInfo("x is " + x );
>
> This is what the Writer Monad is for, probably.
>
> Jules
>
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