nhc98 version of instance Show (a->b) copied from Prelude

[ghc-base.git] / Text / Show.hs

diff --git a/Text/Show.hs b/Text/Show.hs
index 3f2e1a7..dc4535e 100644 (file)
--- a/Text/Show.hs
+++ b/Text/Show.hs
@@ -1,4 +1,4 @@
-{-# OPTIONS -fno-implicit-prelude #-}
+{-# OPTIONS_GHC -fno-implicit-prelude #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Text.Show
@@ -9,7 +9,8 @@
 -- Stability   :  provisional
 -- Portability :  portable
 --
--- The Show class and associated functions.
+-- Converting values to readable strings:
+-- the 'Show' class and associated functions.
 --
 -----------------------------------------------------------------------------
 
@@ -31,10 +32,12 @@ module Text.Show (
 import GHC.Show
 #endif   
 
-#ifdef __GLASGOW_HASKELL__
+-- | Show a list (using square brackets and commas), given a function
+-- for showing elements.
 showListWith :: (a -> ShowS) -> [a] -> ShowS 
 showListWith = showList__
-#else
+
+#ifndef __GLASGOW_HASKELL__
 showList__ :: (a -> ShowS) ->  [a] -> ShowS
 showList__ _     []     s = "[]" ++ s
 showList__ showx (x:xs) s = '[' : showx x (showl xs)