[commit: deepseq] master: actually add the (->) instance, which got lost in the merge (835cad3)

[Simon Marlow]

Repository : ssh://darcs.haskell.org//srv/darcs/packages/deepseq

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/835cad358b10fe5e6a4f2c38ce1286f5c6fd0d30

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

commit 835cad358b10fe5e6a4f2c38ce1286f5c6fd0d30
Author: Simon Marlow <marlowsd at gmail.com>
Date:   Tue Sep 13 13:30:15 2011 +0100

    actually add the (->) instance, which got lost in the merge

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

 Control/DeepSeq.hs |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/Control/DeepSeq.hs b/Control/DeepSeq.hs
index 41ccec3..281ac1e 100644
--- a/Control/DeepSeq.hs
+++ b/Control/DeepSeq.hs
@@ -134,6 +134,10 @@ instance NFData Word64
 
 instance NFData (Fixed a)
 
+-- |This instance is for convenience and consistency with 'seq'.
+-- This assumes that WHNF is equivalent to NF for functions.
+instance NFData (a -> b)
+
 --Rational and complex numbers.
 
 instance (Integral a, NFData a) => NFData (Ratio a) where