[Haskell-cafe] Request for comments - hdnsomatic

[Neil Mitchell]

Hi

I should release a new version - the darcs version requires
haskell-src-exts 1.1.*. I'll do that tonight.

Thanks, Neil

2009/8/17 Jesús Alberto Sánchez Pimienta <jesusalbertosanchez at gmail.com>:
> Many Thanks Neil,
>
> I tried to build hlint before submitting to the mail list but i couldn't
> because my haskell-src-exts is version 1.1.1 and the cabal file of hlint
> requires a version < 1.1. Now i modified the cabal depends and successfully
> installed hlint, it's a great tool.
>
> "Piensa y trabaja"
>
> Jesús Alberto Sánchez Pimienta
> Estudiante de la Lic. en Estudios Políticos y Gobierno
> Universidad de Guadalajara
>
>
>
> 2009/8/16 Neil Mitchell <ndmitchell at gmail.com>
>>
>> Hi
>>
>> An easy way to get some instant feedback is to run HLint on it:
>> http://community.haskell.org/~ndm/hlint
>>
>> The results are:
>>
>> C:\Neil\hlint>hlint Example.hs
>> Example.hs:42:1: Warning: Use liftM
>> Found:
>>  readFile p >>= return . lines >>=
>>    return . map (second tail . break (== '=') . filter (/= ' '))
>> Why not:
>>  liftM (map (second tail . break (== '=') . filter (/= ' ')))
>>    (readFile p >>= return . lines)
>>
>> Example.hs:42:1: Warning: Use liftM
>> Found:
>>  readFile p >>= return . lines
>> Why not:
>>  liftM lines (readFile p)
>>
>> Found 2 suggestions
>>
>> So using liftM instead of >>= return might be better style.
>>
>> You can also make minor tweaks like:
>>
>> if null args then readConfig defaultConfig else readConfig (head args)
>> ==>
>> readConfig $ if null args then defaultConfig else head args
>>
>>  currentIP <- catch (getIPAddress webIP) (\e -> syslog Error (show e)
>> >>  return "0")
>>  oldIP <- catch (S.readFile ipCache) (\e ->  syslog Error (show e) >>
>> return "0")
>> ==>
>> let catch_ x = catch x (\e -> syslog Error (show e) >>  return "0")
>> currentIP <- catch_ $ getIPAddress webIP
>> oldIP <- catch_ (S.readFile ipCache)
>>
>> And there's no need to exitSuccess at the end of main, exitSuccess is
>> the default.
>>
>> Thanks
>>
>> Neil
>>
>>
>>
>>
>>
>> 2009/8/16 Jesús Alberto Sánchez Pimienta <jesusalbertosanchez at gmail.com>:
>> > Hello haskellers,
>> >
>> > I just finished my first useful haskell program and  I'd be glad if you
>> > make
>> > me some comments
>> >
>> > http://hpaste.org/fastcgi/hpaste.fcgi/view?id=8244#a8244
>> >
>> > Thank you, and sorry for my english.
>> >
>> >
>> > "Piensa y trabaja"
>> >
>> > Jesús Alberto Sánchez Pimienta
>> > Estudiante de la Lic. en Estudios Políticos y Gobierno
>> > Universidad de Guadalajara
>> >
>> >
>> > _______________________________________________
>> > Haskell-Cafe mailing list
>> > Haskell-Cafe at haskell.org
>> > http://www.haskell.org/mailman/listinfo/haskell-cafe
>> >
>> >
>
>