From: 'Jose Pedro Magalhaes <jpm@cs.uu.nl>
Date: Thu, 2 Oct 2008 08:26:55 +0000 (+0000)
Subject: restore Complex's derived Data instance
X-Git-Tag: 2009-06-25~112
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=0fa287c10820e673248779745d7f38b693ebc8ea;p=ghc-base.git

restore Complex's derived Data instance
---

diff --git a/Data/Complex.hs b/Data/Complex.hs
index 6ebbfcb..bbc8a07 100644
--- a/Data/Complex.hs
+++ b/Data/Complex.hs
@@ -65,7 +65,11 @@ infix  6  :+
 data (RealFloat a) => Complex a
   = !a :+ !a    -- ^ forms a complex number from its real and imaginary
                 -- rectangular components.
+# if __GLASGOW_HASKELL__
+        deriving (Eq, Show, Read, Data)
+# else
         deriving (Eq, Show, Read)
+# endif
 
 -- -----------------------------------------------------------------------------
 -- Functions over Complex