[commit: ghc] master: Implement nullary type classes (#7642) (5319ea7)

[Simon Peyton Jones]

Repository : http://darcs.haskell.org/ghc.git/

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/5319ea79fa1572b7d411548532031f9d19b928c6

>---------------------------------------------------------------

commit 5319ea79fa1572b7d411548532031f9d19b928c6
Author: Simon Peyton Jones <simonpj at microsoft.com>
Date:   Wed Mar 13 21:10:20 2013 +0000

    Implement nullary type classes (#7642)
    
    This is a slightly refined version of a patch by shachaf,
    done by Krzysztof Gogolewski <krz.gogolewski at gmail.com>.

 compiler/main/DynFlags.hs           |  2 ++
 compiler/typecheck/TcTyClsDecls.lhs | 17 +++++++++++------
 compiler/typecheck/TcValidity.lhs   |  9 ++++++++-
 docs/users_guide/flags.xml          |  6 ++++++
 docs/users_guide/glasgow_exts.xml   | 29 +++++++++++++++++++++++++++++
 5 files changed, 56 insertions(+), 7 deletions(-)


Diff suppressed because of size. To see it, use:

    git show 5319ea79fa1572b7d411548532031f9d19b928c6