[Haskell-cafe] Writer + log each computation to stdout

Oliver Charles ollie at ocharles.org.uk
Wed Dec 4 11:21:17 UTC 2013

On 11/26/2013 10:25 AM, oleg at okmij.org wrote:

> Extensible Effects designed specifically to separate a client (the
> requestor of an action) from a handler, the executor of an action. A
> logging client merely requests a string to be logged. It has no idea
> what happens when that request is executed. Therefore, the same
> client can be used with several handlers, even within the same
> expression.  One can also build various interceptors, such as
> logIntercept, which is similar to Unix' tee.
> The following file illustrates how to solve the problem with all three
> scenarios. 
>         http://okmij.org/ftp/

Did you forget to attach a file to this email? Otherwise, I'm not sure
where to find the file you're talking about and I couldn't find it on
your homepage either.

- ocharles

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