X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Data%2FIx.hs;h=3232faca3a130886b81bca76ca2d53ce499703aa;hb=ee695cc16336b7f2a6bca5bc74606c702837361d;hp=c9ebe9287efb854fd92fd9eaae42fb1a36c7ecc9;hpb=8ff1331816a5af5a51e57467614296e9053e9d22;p=ghc-base.git

diff --git a/Data/Ix.hs b/Data/Ix.hs
index c9ebe92..3232fac 100644
--- a/Data/Ix.hs
+++ b/Data/Ix.hs
@@ -10,9 +10,9 @@
 --
 -- Class of index types.
 --
--- The "Ix" class is used to map a continuous subrange of values in a type onto
+-- The 'Ix' class is used to map a continuous subrange of values in a type onto
 -- integers. It is used primarily for array indexing (see Section 6
--- <http://www.haskell.org/onlinelibrary/array.html#arrays>). The "Ix"
+-- <http://www.haskell.org/onlinelibrary/array.html#arrays>). The 'Ix'
 -- class contains the methods range, index, and inRange. The 'index' operation
 -- maps a bounding pair, which defines the lower and upper bounds of the range,
 -- and a subscript, to an integer. The 'range' operation enumerates all
@@ -78,3 +78,12 @@ import Prelude
 #ifdef __GLASGOW_HASKELL__
 import GHC.Arr
 #endif
+
+#ifdef __HUGS__
+import Hugs.Prelude( Ix(..) )
+#endif
+
+#ifdef __NHC__
+import Ix (Ix(..))
+#endif
+