From: jpm@cs.uu.nl <unknown>
Date: Wed, 24 Feb 2010 12:55:06 +0000 (+0000)
Subject: FIX #3866: improve documentation of Data.Data.Constr
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=1cb2cc8b09c049d4cea4692f37b58f172d2e81e2;p=ghc-base.git

FIX #3866: improve documentation of Data.Data.Constr
---

diff --git a/Data/Data.hs b/Data/Data.hs
index 646249e..78daea0 100644
--- a/Data/Data.hs
+++ b/Data/Data.hs
@@ -480,8 +480,9 @@ data DataType = DataType
 
               deriving Show
 
-
--- | Representation of constructors
+-- | Representation of constructors. Note that equality on constructors
+-- with different types may not work -- i.e. the constructors for 'False' and
+-- 'Nothing' may compare equal.
 data Constr = Constr
                         { conrep    :: ConstrRep
                         , constring :: String