[project @ 2002-04-24 16:31:37 by simonmar]

[ghc-base.git] / Data / Array / Diff.hs

diff --git a/Data/Array/Diff.hs b/Data/Array/Diff.hs
index 2ef109f..5bcaba5 100644 (file)
--- a/Data/Array/Diff.hs
+++ b/Data/Array/Diff.hs
@@ -1,5 +1,5 @@
 -----------------------------------------------------------------------------
--- 
+-- |
 -- Module      :  Data.Array.Diff
 -- Copyright   :  (c) The University of Glasgow 2001
 -- License     :  BSD-style (see the file libraries/core/LICENSE)
@@ -8,7 +8,7 @@
 -- Stability   :  experimental
 -- Portability :  non-portable
 --
--- $Id: Diff.hs,v 1.1 2001/07/04 10:48:39 simonmar Exp $
+-- $Id: Diff.hs,v 1.3 2002/04/24 16:31:43 simonmar Exp $
 --
 -- Functional arrays with constant-time update.
 --
@@ -104,6 +104,51 @@ type DiffUArray = IOToDiffArray IOUArray
 -- -fallow-undecidable-instances, so each instance is separate here.
 
 ------------------------------------------------------------------------
+-- Showing DiffArrays
+
+instance (Ix ix, Show ix, Show e) => Show (DiffArray ix e) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Char) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Int) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Word) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Float) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Double) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Int8) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Int16) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Int32) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Int64) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Word8) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Word16) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Word32) where
+  showsPrec = showsIArray
+
+instance (Ix ix, Show ix) => Show (DiffUArray ix Word64) where
+  showsPrec = showsIArray
+
+------------------------------------------------------------------------
 -- Boring instances.
 
 instance HasBounds a => HasBounds (IOToDiffArray a) where
@@ -194,6 +239,8 @@ instance IArray (IOToDiffArray IOUArray) Word64 where
     unsafeAt      a i    = unsafePerformIO $ a `readDiffArray` i
     unsafeReplace a ies  = unsafePerformIO $ a `replaceDiffArray` ies
 
+
+
 ------------------------------------------------------------------------
 -- The important stuff.