Tweak a Show instance

[ghc-hetmet.git] / compiler / utils / StringBuffer.lhs

diff --git a/compiler/utils/StringBuffer.lhs b/compiler/utils/StringBuffer.lhs
index d51c800..1aead2d 100644 (file)
--- a/compiler/utils/StringBuffer.lhs
+++ b/compiler/utils/StringBuffer.lhs
@@ -6,6 +6,10 @@
 Buffers for scanning string input stored in external arrays.
 
 \begin{code}
+{-# OPTIONS_GHC -O -funbox-strict-fields #-}
+-- We always optimise this, otherwise performance of a non-optimised
+-- compiler is severely affected
+
 module StringBuffer
        (
         StringBuffer(..),
@@ -75,7 +79,7 @@ data StringBuffer
 instance Show StringBuffer where
         showsPrec _ s = showString "<stringbuffer("
                       . shows (len s) . showString "," . shows (cur s)
-                      . showString ">"
+                      . showString ")>"
 
 -- -----------------------------------------------------------------------------
 -- Creation / Destruction