[commit: packages/pretty] master: add minimal pragma to pretty class (6883fda)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/pretty

On branch  : master
Link       : http://git.haskell.org/packages/pretty.git/commitdiff/6883fdac42eefc0b93db1938449eed8fd057e6a4

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

commit 6883fdac42eefc0b93db1938449eed8fd057e6a4
Author: David Terei <code at davidterei.com>
Date:   Wed Dec 24 15:49:00 2014 -0800

    add minimal pragma to pretty class


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

6883fdac42eefc0b93db1938449eed8fd057e6a4
 src/Text/PrettyPrint/HughesPJClass.hs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Text/PrettyPrint/HughesPJClass.hs b/src/Text/PrettyPrint/HughesPJClass.hs
index ebf6ea2..298f447 100644
--- a/src/Text/PrettyPrint/HughesPJClass.hs
+++ b/src/Text/PrettyPrint/HughesPJClass.hs
@@ -54,6 +54,10 @@ class Pretty a where
   pPrintList :: PrettyLevel -> [a] -> Doc
   pPrintList l = brackets . fsep . punctuate comma . map (pPrintPrec l 0)
 
+#if __GLASGOW_HASKELL__ >= 708
+  {-# MINIMAL pPrintPrec | pPrint #-}
+#endif
+
 -- | Pretty print a value with the 'prettyNormal' level.
 prettyShow :: (Pretty a) => a -> String
 prettyShow = render . pPrint