cannot install system.filesystem

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cannot install system.filesystem

galeonet

Hello,
what's wrong (see below)????
Thank you in advance,
Maurizio

C:\Documents and Settings\xxx1>cabal install FileSystem
Resolving dependencies...
cabal: Could not resolve dependencies:
trying: FileSystem-1.0.0 (user goal)
next goal: bytestring (dependency of FileSystem-1.0.0)
rejecting: bytestring-0.10.6.0/installed-3a6..., 0.10.6.0, 0.10.4.1, 0.10.4.0,
0.10.2.0, 0.10.0.2, 0.10.0.1, 0.10.0.0 (conflict: FileSystem =>
bytestring==0.9.*)
trying: bytestring-0.9.2.1
trying: directory-1.2.2.0/installed-678... (dependency of FileSystem-1.0.0)
next goal: Win32 (dependency of directory-1.2.2.0/installed-678...)
rejecting: Win32-2.3.1.0/installed-071... (conflict: bytestring==0.9.2.1,
Win32 => bytestring==0.10.6.0/installed-3a6...)
rejecting: Win32-2.3.1.0, 2.3.0.2, 2.3.0.1, 2.3.0.0, 2.2.2.0, 2.2.1.0,
2.2.0.2, 2.2.0.1, 2.2.0.0, 2.1.0.0, 2.1 (conflict: directory =>
Win32==2.3.1.0/installed-071...)
Dependency tree exhaustively searched.

C:\Documents and Settings\xxx1>cabal install FileSystem --allow-newer
Resolving dependencies...
Downloading FileSystem-1.0.0...
Configuring FileSystem-1.0.0...
Building FileSystem-1.0.0...
Preprocessing library FileSystem-1.0.0...
[1 of 9] Compiling System.FileSystem.Utils ( System\FileSystem\Utils.hs, dist\bu
ild\System\FileSystem\Utils.o )
[2 of 9] Compiling System.FileSystem.Types ( System\FileSystem\Types.hs, dist\bu
ild\System\FileSystem\Types.o )

System\FileSystem\Types.hs:123:82:
    No instance for (Applicative (FST m))
      arising from the 'deriving' clause of a data type declaration
    Possible fix:
      use a standalone 'deriving instance' declaration,
        so you can specify the instance context yourself
    When deriving the instance for (Monad (FST m))

System\FileSystem\Types.hs:123:89:
    No instance for (Applicative (FST m))
      arising from the 'deriving' clause of a data type declaration
    Possible fix:
      use a standalone 'deriving instance' declaration,
        so you can specify the instance context yourself
    When deriving the instance for (MonadIO (FST m))
Failed to install FileSystem-1.0.0
cabal: Error: some packages failed to install:
FileSystem-1.0.0 failed during the building phase. The exception was:
ExitFailure 1




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Re: cannot install system.filesystem

akash g
You are probably using GHC 7.10.  With this, you will need any data type to be an instance of applicative and functor for it to be an instance of Monad.  However, I don't see a version 1.0.0 for said package.

See the below link for more information.  You might try your luck asking the maintainer for a fix for this.  Or you can copy this locally, make those changes yourself and see how it goes.
https://ghc.haskell.org/trac/ghc/wiki/Migration/7.10

On Thu, Dec 3, 2015 at 5:24 PM, <[hidden email]> wrote:

Hello,
what's wrong (see below)????
Thank you in advance,
Maurizio

C:\Documents and Settings\xxx1>cabal install FileSystem
Resolving dependencies...
cabal: Could not resolve dependencies:
trying: FileSystem-1.0.0 (user goal)
next goal: bytestring (dependency of FileSystem-1.0.0)
rejecting: bytestring-0.10.6.0/installed-3a6..., 0.10.6.0, 0.10.4.1, 0.10.4.0,
0.10.2.0, 0.10.0.2, 0.10.0.1, 0.10.0.0 (conflict: FileSystem =>
bytestring==0.9.*)
trying: bytestring-0.9.2.1
trying: directory-1.2.2.0/installed-678... (dependency of FileSystem-1.0.0)
next goal: Win32 (dependency of directory-1.2.2.0/installed-678...)
rejecting: Win32-2.3.1.0/installed-071... (conflict: bytestring==0.9.2.1,
Win32 => bytestring==0.10.6.0/installed-3a6...)
rejecting: Win32-2.3.1.0, 2.3.0.2, 2.3.0.1, 2.3.0.0, 2.2.2.0, 2.2.1.0,
2.2.0.2, 2.2.0.1, 2.2.0.0, 2.1.0.0, 2.1 (conflict: directory =>
Win32==2.3.1.0/installed-071...)
Dependency tree exhaustively searched.

C:\Documents and Settings\xxx1>cabal install FileSystem --allow-newer
Resolving dependencies...
Downloading FileSystem-1.0.0...
Configuring FileSystem-1.0.0...
Building FileSystem-1.0.0...
Preprocessing library FileSystem-1.0.0...
[1 of 9] Compiling System.FileSystem.Utils ( System\FileSystem\Utils.hs, dist\bu
ild\System\FileSystem\Utils.o )
[2 of 9] Compiling System.FileSystem.Types ( System\FileSystem\Types.hs, dist\bu
ild\System\FileSystem\Types.o )

System\FileSystem\Types.hs:123:82:
    No instance for (Applicative (FST m))
      arising from the 'deriving' clause of a data type declaration
    Possible fix:
      use a standalone 'deriving instance' declaration,
        so you can specify the instance context yourself
    When deriving the instance for (Monad (FST m))

System\FileSystem\Types.hs:123:89:
    No instance for (Applicative (FST m))
      arising from the 'deriving' clause of a data type declaration
    Possible fix:
      use a standalone 'deriving instance' declaration,
        so you can specify the instance context yourself
    When deriving the instance for (MonadIO (FST m))
Failed to install FileSystem-1.0.0
cabal: Error: some packages failed to install:
FileSystem-1.0.0 failed during the building phase. The exception was:
ExitFailure 1




Connetti gratis il mondo con la nuova indoona: hai la chat, le chiamate, le video chiamate e persino le chiamate di gruppo.
E chiami gratis anche i numeri fissi e mobili nel mondo!
Scarica subito l’app Vai su https://www.indoona.com/


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Beginners mailing list
[hidden email]
http://mail.haskell.org/cgi-bin/mailman/listinfo/beginners



_______________________________________________
Beginners mailing list
[hidden email]
http://mail.haskell.org/cgi-bin/mailman/listinfo/beginners