[project @ 2002-05-28 15:04:54 by simonmar]

Documentation

1 files changed, 24 insertions, 11 deletions

diff --git a/libraries/base/Data/Array/IArray.hs b/libraries/base/Data/Array/IArray.hs
index 3f1706ce10..ec42d7d994 100644
--- a/libraries/base/Data/Array/IArray.hs
+++ b/libraries/base/Data/Array/IArray.hs
@@ -8,31 +8,44 @@
 -- Stability   :  experimental
 -- Portability :  non-portable
 --
--- Overloaded immutable array class.
+-- Immutable arrays, with an overloaded interface.  For array types
+-- which can be used with this interface, see "Data.Array",
+-- "Data.Array.Unboxed", and "Data.Array.Diff".
 --
 -----------------------------------------------------------------------------
 
 module Data.Array.IArray ( 
-    module Data.Ix,
-
-    -- Class of immutable array types
+    -- * Class of immutable array types
     IArray,     -- :: (* -> * -> *) -> * -> class
-    -- Class of array types with immutable bounds
+
+    -- * Class of array types with immutable bounds
     HasBounds,  -- :: (* -> * -> *) -> class
 
+    -- * The @Ix@ class and operations
+    module Data.Ix,
+
+    -- * Array construction
     array,      -- :: (IArray a e, Ix i) => (i,i) -> [(i, e)] -> a i e
     listArray,  -- :: (IArray a e, Ix i) => (i,i) -> [e] -> a i e
+    accumArray, -- :: (IArray a e, Ix i) => (e -> e' -> e) -> e -> (i,i) -> [(i, e')] -> a i e
+
+    -- * Indexing arrays
     (!),        -- :: (IArray a e, Ix i) => a i e -> i -> e
+
+    -- * Incremental updates
+    (//),       -- :: (IArray a e, Ix i) => a i e -> [(i, e)] -> a i e
+    accum,      -- :: (IArray a e, Ix i) => (e -> e' -> e) -> a i e -> [(i, e')] -> a i e
+
+    -- * Derived Arrays
+    amap,       -- :: (IArray a e', IArray a e, Ix i) => (e' -> e) -> a i e' -> a i e
+    ixmap,      -- :: (IArray a e, Ix i, Ix j) => (i,i) -> (i -> j) -> a j e -> a i e
+
+    -- * Deconstructing arrays
     bounds,     -- :: (HasBounds a, Ix i) => a i e -> (i,i)
     indices,    -- :: (HasBounds a, Ix i) => a i e -> [i]
     elems,      -- :: (IArray a e, Ix i) => a i e -> [e]
     assocs,     -- :: (IArray a e, Ix i) => a i e -> [(i, e)]
-    accumArray, -- :: (IArray a e, Ix i) => (e -> e' -> e) -> e -> (i,i) -> [(i, e')] -> a i e
-    (//),       -- :: (IArray a e, Ix i) => a i e -> [(i, e)] -> a i e
-    accum,      -- :: (IArray a e, Ix i) => (e -> e' -> e) -> a i e -> [(i, e')] -> a i e
-    amap,       -- :: (IArray a e', IArray a e, Ix i) => (e' -> e) -> a i e' -> a i e
-    ixmap)      -- :: (IArray a e, Ix i, Ix j) => (i,i) -> (i -> j) -> a j e -> a i e
-    where
+ )  where
 
 import Prelude