Added "regular" library for Haskell.

svn path=/nixpkgs/trunk/; revision=16431

pkgs/development/libraries/haskell/regular/default.nix

@@ -0,0 +1,11 @@
+{cabal}:
+
+cabal.mkDerivation (self : {
+  pname = "regular";
+  version = "0.1";
+  sha256 = "2f2858a22dd26d93eaa4b5244141d6d146387eac98e0fb15f647123d50525820";
+  meta = {
+    description = "Generic programming library for regular datatypes";
+  };
+})  
+

pkgs/top-level/haskell-packages.nix

@@ -350,6 +350,10 @@ rec {
     inherit cabal regexBase;
   };
 
+  regular = import ../development/libraries/haskell/regular {
+    inherit cabal;
+  };
+
   syb = import ../development/libraries/haskell/syb {
     inherit cabal;
   };