[commit: ghc] master: Change a comment referring falsely to seq (74a6a8a)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/74a6a8a979837d1344fc3236ad6fc4ca76ea49a7/ghc

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

commit 74a6a8a979837d1344fc3236ad6fc4ca76ea49a7
Author: David Feuer <David.Feuer at gmail.com>
Date:   Mon Nov 17 19:19:18 2014 -0600

    Change a comment referring falsely to seq
    
    Summary: Instead, describe what it actually does.
    
    Reviewers: austin, ekmett, simonpj, hvr
    
    Reviewed By: austin, ekmett
    
    Subscribers: simonpj, thomie, carter
    
    Projects: #ghc
    
    Differential Revision: https://phabricator.haskell.org/D448


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

74a6a8a979837d1344fc3236ad6fc4ca76ea49a7
 libraries/base/GHC/Base.hs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libraries/base/GHC/Base.hs b/libraries/base/GHC/Base.hs
index f2a447d..25596e0 100644
--- a/libraries/base/GHC/Base.hs
+++ b/libraries/base/GHC/Base.hs
@@ -1029,7 +1029,10 @@ flip f x y              =  f y x
 ($)                     :: (a -> b) -> a -> b
 f $ x                   =  f x
 
--- | Strict (call-by-value) application, defined in terms of 'seq'.
+-- | Strict (call-by-value) application operator. It takes a function and an
+-- argument, evaluates the argument to weak head normal form (WHNF), then calls
+-- the function with that value.
+
 ($!)                    :: (a -> b) -> a -> b
 f $! x                  = let !vx = x in f vx  -- see #2273