Re: [xmonad] xmonad: xmonad-extras 0.12 fails to build

I just sent an email. Thanks! Dave — Sent from iPhone On Wed, Apr 15, 2015 at 1:14 PM, Brent Yorgey wrote:

Did you actually open a ticket on the issue tracker? Or just send a message to the mailing list? If the latter, there's nothing more you need to do. -Brent On Tue, Apr 14, 2015 at 5:21 PM wrote:

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Looks like maintainer updated the package. Do i have to do anything to close this?

Thanks all for support Dave

— Sent from iPhone

On Tue, Apr 14, 2015 at 2:24 PM, adam vogt wrote:

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I mean an expression like:

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headerLine >> playbackChannels >>= volumes <* eof

needs parentheses like:

(headerLine >> playbackChannels >>= volumes) <* eof

if we were to use the inflxl 4 <*

On Tue, Apr 14, 2015 at 8:15 AM, Dave Macias wrote:

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Thank you all for the replies. I've tried removing it by simply commenting it out, but no change. Assam, where would the parentheses go? I've fiddled with it but dont know where. This is the block of code that i assume you are referring to: XMonad.Actions.Volume infixl 1 <* (<*) :: Monad m => m a -> m b -> m a pa <* pb = pa >>= \a -> pb >> return a

Thanks again Dave

On Fri, Apr 10, 2015 at 12:35 AM, adam vogt wrote:

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Hi.

The fixity is different (infixl 1 not infixl 4) so using the one from control.applicative means some parentheses have to be added.

Regards, Assam On Apr 10, 2015 12:16 AM, "Carlos López-Camey" wrote:

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Hi Dave, by the results of hoogle *, it looks like (<*) is defined in Applicative. I think Applicative is a super class of Monad in newer GHC and is now included in the Prelude. So, I believe it would be safe to just remove it.

* https://www.haskell.org/hoogle/?hoogle=Monad+m+%3D%3E+m+a+-%3E+m+b+-%3E+m+a

Cheers

2015-04-09 21:55 GMT-06:00 Dave Macias :

> Thanks for responding Brent. > > Not very good at haskell myself. > Im looking at the XMonad.Actions.Volume and there i find: > > infixl 1 <* > (<*) :: Monad m => m a -> m b -> m a > pa <* pb = pa >>= \a -> pb >> return a > > I'm assuming this is what you were referring to for solution (1). > I've been trying to play with it but i get mixed errors when building, how > do i rename? > Here is the code just in case im looking at it wrong: > > https://hackage.haskell.org/package/xmonad-extras-0.12/src/XMonad/Actions/Vo... > > I also plan to email the maintainer, but i would like to have this > work for educational purposes. > > Thanks, > Dave > > On Thu, Apr 9, 2015 at 10:04 AM, Brent Yorgey > wrote: > >> It looks like XMonad.Actions.Volume defines an operator (<*), but >> as of base-4.8 an operator with that name has been added to the Prelude. >> The fix would be to either (1) rename the operator in >> XMonad.Actions.Volume, or (2) hide the operator from Prelude and tell >> everyone who wants to use XMonad.Actions.Volume.(<*) that they need to hide >> it from Prelude too. >> >> xmonad-extras is not officially a part of the xmonad project; you >> should contact the maintainers listed at >> http://hackage.haskell.org/package/xmonad-extras . >> >> -Brent >> >> On Mon, Apr 6, 2015 at 11:45 PM Dave Macias >> wrote: >> >>> This is my first time posting here so i hope im doing this right. >>> Just updated ghc to 7.10.1 and had to rebuild xmonad, >>> xmonad-contrib, and xmobar. >>> I also use xmonad-extras but it failed during the build. I tried >>> using cabal and also from source but both give same output: >>> >>> $ cabal install xmonad-extras >>> >>> Resolving dependencies... >>> Configuring xmonad-extras-0.12... >>> Building xmonad-extras-0.12... >>> Failed to install xmonad-extras-0.12 >>> Build log ( /home/dvmacias/.cabal/logs/xmonad-extras-0.12.log ): >>> Configuring xmonad-extras-0.12... >>> Building xmonad-extras-0.12... >>> Preprocessing library xmonad-extras-0.12... >>> [1 of 2] Compiling XMonad.Util.WindowPropertiesRE ( >>> XMonad/Util/WindowPropertiesRE.hs, >>> dist/build/XMonad/Util/WindowPropertiesRE.o ) >>> [2 of 2] Compiling XMonad.Actions.Volume ( >>> XMonad/Actions/Volume.hs, dist/build/XMonad/Actions/Volume.o ) >>> >>> XMonad/Actions/Volume.hs:173:23: >>> Ambiguous occurrence ‘<*’ >>> It could refer to either ‘XMonad.Actions.Volume.<*’, >>> defined at >>> XMonad/Actions/Volume.hs:66:4 >>> or ‘Prelude.<*’, >>> imported from ‘Prelude’ at >>> XMonad/Actions/Volume.hs:15:8-28 >>> (and originally defined in ‘GHC.Base’) >>> >>> XMonad/Actions/Volume.hs:173:43: >>> Ambiguous occurrence ‘<*’ >>> It could refer to either ‘XMonad.Actions.Volume.<*’, >>> defined at >>> XMonad/Actions/Volume.hs:66:4 >>> or ‘Prelude.<*’, >>> imported from ‘Prelude’ at >>> XMonad/Actions/Volume.hs:15:8-28 >>> (and originally defined in ‘GHC.Base’) >>> >>> XMonad/Actions/Volume.hs:200:62: >>> Ambiguous occurrence ‘<*’ >>> It could refer to either ‘XMonad.Actions.Volume.<*’, >>> defined at >>> XMonad/Actions/Volume.hs:66:4 >>> or ‘Prelude.<*’, >>> imported from ‘Prelude’ at >>> XMonad/Actions/Volume.hs:15:8-28 >>> (and originally defined in ‘GHC.Base’) >>> >>> XMonad/Actions/Volume.hs:215:32: >>> Ambiguous occurrence ‘<*’ >>> It could refer to either ‘XMonad.Actions.Volume.<*’, >>> defined at >>> XMonad/Actions/Volume.hs:66:4 >>> or ‘Prelude.<*’, >>> imported from ‘Prelude’ at >>> XMonad/Actions/Volume.hs:15:8-28 >>> (and originally defined in ‘GHC.Base’) >>> >>> XMonad/Actions/Volume.hs:225:58: >>> Ambiguous occurrence ‘<*’ >>> >>> It could refer to either ‘XMonad.Actions.Volume.<*’, >>> defined at >>> XMonad/Actions/Volume.hs:66:4 >>> or ‘Prelude.<*’, >>> imported from ‘Prelude’ at >>> XMonad/Actions/Volume.hs:15:8-28 >>> (and originally defined in ‘GHC.Base’) >>> cabal: Error: some packages failed to install: >>> xmonad-extras-0.12 failed during the building phase. The exception >>> was: >>> ExitFailure 1 >>> >>> >>> I got to look at the log but it just has what i pasted above. >>> System is Arch 3.19.2-1-ARCH >>> >>> Any input is appreciated. >>> Thanks >>> dave >>> _______________________________________________ >>> xmonad mailing list >>> xmonad@haskell.org >>> http://mail.haskell.org/cgi-bin/mailman/listinfo/xmonad >>> >> > > _______________________________________________ > xmonad mailing list > xmonad@haskell.org > http://mail.haskell.org/cgi-bin/mailman/listinfo/xmonad > >

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