[project @ 2002-02-12 11:44:54 by simonmar]

[ghc-hetmet.git] / ghc / lib / std / Random.lhs

diff --git a/ghc/lib/std/Random.lhs b/ghc/lib/std/Random.lhs
index a6c0055..1f19b20 100644 (file)
--- a/ghc/lib/std/Random.lhs
+++ b/ghc/lib/std/Random.lhs
@@ -1,5 +1,5 @@
 % ------------------------------------------------------------------------------
-% $Id: Random.lhs,v 1.24 2001/02/28 00:01:03 qrczak Exp $
+% $Id: Random.lhs,v 1.25 2001/08/29 10:49:28 simonmar Exp $
 %
 % (c) The University of Glasgow, 1995-2000
 %
@@ -19,7 +19,7 @@ world..
 \begin{code}
 module Random
        (
-         RandomGen(next, split)
+         RandomGen(next, split, genRange)
        , StdGen
        , mkStdGen
        , Random ( random,   randomR,
@@ -53,12 +53,14 @@ import Char         ( isSpace, chr, ord )
 
 \begin{code}
 class RandomGen g where
-   next  :: g -> (Int, g)
-   split :: g -> (g, g)
+   next     :: g -> (Int, g)
+   split    :: g -> (g, g)
+   genRange :: g -> (Int,Int)
+
+   -- default mathod
+   genRange g = (minBound,maxBound)
 
-\end{code}
 
-\begin{code}
 data StdGen 
  = StdGen Int Int