traceM and traceShowM

[Lennart Augustsson]

+1
I use them all the time.

On Fri, Oct 16, 2009 at 3:22 PM, Martijn van Steenbergen
<martijn at van.steenbergen.nl> wrote:
> Hello,
>
> I propose the addition of the following two functions to module Debug.Trace:
>
>> traceM :: Monad m => String -> m ()
>> traceM msg = trace msg (return ())
>>
>> traceShowM :: (Show a, Monad m) => a -> m ()
>> traceShowM = traceM . show
>
> These functions allow tracing in any do-block. I often define them myself; I
> think they are useful in general.
>
> Deadline: 23 October 2009.
>
> Martijn.
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