Fixed errors in "clunky" definition for pattern guards

[ghc-hetmet.git] / docs / users_guide / glasgow_exts.xml

diff --git a/docs/users_guide/glasgow_exts.xml b/docs/users_guide/glasgow_exts.xml
index 41bba18..6dfda6b 100644 (file)
--- a/docs/users_guide/glasgow_exts.xml
+++ b/docs/users_guide/glasgow_exts.xml
@@ -620,7 +620,7 @@ to write clunky would be to use case expressions:
 </para>
 
 <programlisting>
-clunky env var1 var1 = case lookup env var1 of
+clunky env var1 var2 = case lookup env var1 of
   Nothing -&gt; fail
   Just val1 -&gt; case lookup env var2 of
     Nothing -&gt; fail
@@ -645,7 +645,7 @@ Here is how I would write clunky:
 </para>
 
 <programlisting>
-clunky env var1 var1
+clunky env var1 var2
   | Just val1 &lt;- lookup env var1
   , Just val2 &lt;- lookup env var2
   = val1 + val2