X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Text%2FShow.hs;h=dc4535ebfbcdd77a8a8ca1af0a4692f757941789;hb=f69b164b13119bf29e03757b46ab78322ec82b93;hp=3f2e1a78237ca64b872f82567c32999257981a71;hpb=f7a485978f04e84b086f1974b88887cc72d832d0;p=ghc-base.git diff --git a/Text/Show.hs b/Text/Show.hs index 3f2e1a7..dc4535e 100644 --- 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)