[web-devel] Automatic error traces

[Alberto G. Corona]

Hi Greeg.

Nice I will publish the mechanism in a separate package once I clean it up

At first sight, It is possible to use file-location and monad-logger with
the traces  instead of monadloc. In the meantime, I will advance to you a
copy of the details in a separate mail.


2013/7/16 Greg Weber <greg at gregweber.info>

> That's great. We should collaborate on this. I wrote the file-location
> package and Michael Snoyman wrote monad-logger: both of these give file
> location information. I also added command tracing to Shelly (which could
> also benefit from this kind of thing) and recently released rollbar for
> error notification and would like to have as much line info as possible for
> that.
>
>
> On Tue, Jul 16, 2013 at 5:45 AM, Alberto G. Corona <agocorona at gmail.com>wrote:
>
>> It is important to have execution traces in case of error. specially in
>> server applications that run 24/7 such are web applications
>>
>> Thanks to the wonderful package monadloc by Pepe Iborra, now MFlow can
>> generate a complete execution trace in case of error.
>>
>> The control-monad-exception uses monadLoc to generate stack traces, but
>> MFlow makes use of his backtracking mechanism to generate a complete
>> execution trace.
>>
>> Here I explain what and how:
>>
>>
>> http://haskell-web.blogspot.com.es/2013/07/automatic-error-trace-generation-in.html
>>
>> The MFlow version that implements this is in gitHub. Not in hackage yet.
>>
>> https://github.com/agocorona/MFlow
>>
>> I´m quite proud of it since it is one of the things closest to magic that
>> I have done.
>>
>> Feedback?
>>
>> I do not want to keep MFlow as a single person development. I think that
>> it has many unique and nice features not available in other languages and
>> frameworks, and it can be raised to a serious exploitation level by
>> the Haskell community. This will attract people working in Industrial Web
>> development to Haskell thanks to the edge in expressiveness and safety
>> necessary for creating industrial solutions that Haskell has over other
>> languages.
>>
>> It uses most other Haskell web developments  blaze, wai, hamlet etc
>> and there are many other things to come.
>>
>> monadLoc : http://hackage.haskell.org/package/monadloc
>>
>> --
>> Alberto.
>>
>> _______________________________________________
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>> web-devel at haskell.org
>> http://www.haskell.org/mailman/listinfo/web-devel
>>
>>
>


-- 
Alberto.
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