From: Matthijs Kooijman <m.kooijman@student.utwente.nl>
Date: Sun, 21 Jun 2009 18:43:46 +0000 (+0200)
Subject: Add pprString convenience method.
X-Git-Url: https://git.stderr.nl/gitweb?a=commitdiff_plain;h=2fa8431a83031128428caa8f833a3396de34536f;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

Add pprString convenience method.

This method can convert any Outputable to a string.
---

diff --git a/Pretty.hs b/Pretty.hs
index b2ac91d..7896372 100644
--- a/Pretty.hs
+++ b/Pretty.hs
@@ -1,4 +1,4 @@
-module Pretty (prettyShow) where
+module Pretty (prettyShow, pprString) where
 
 
 import qualified Data.Map as Map
@@ -151,3 +151,7 @@ instance (Pretty k, Pretty v) => Pretty (Map.Map k v) where
     where
       ppentry (k, v) =
         pPrint k <> text " : " $$ nest 15 (pPrint v)
+
+-- Convenience method for turning an Outputable into a string
+pprString :: (Outputable x) => x -> String
+pprString = showSDoc . ppr