[project @ 2004-07-28 10:32:11 by ross]

[ghc-base.git] / GHC / Enum.lhs

diff --git a/GHC/Enum.lhs b/GHC/Enum.lhs
index 0f8df4d..b0afbde 100644 (file)
--- a/GHC/Enum.lhs
+++ b/GHC/Enum.lhs
@@ -55,7 +55,9 @@ class  Bounded a  where
 -- arithmetic sequences.
 --
 -- Instances of 'Enum' may be derived for any enumeration type (types
--- whose constructors have no fields); see Chapter 10 of the /Haskell Report/.
+-- whose constructors have no fields).  The nullary constructors are
+-- assumed to be numbered left-to-right by 'fromEnum' from @0@ through @n-1@.
+-- See Chapter 10 of the /Haskell Report/ for more details.
 --  
 -- For any type that is an instance of class 'Bounded' as well as 'Enum',
 -- the following should hold: