Changeset 919 for trunk/yat/utility/stl_utility.cc

Timestamp:

Sep 30, 2007, 3:38:30 AM (16 years ago)

Author:

Peter

Message:

fixes #239

File:

• trunk/yat/utility/stl_utility.cc (modified) (1 diff)

trunk/yat/utility/stl_utility.cc

@@ -33 +33 @@
 namespace utility {
 
-  void to_lower(std::string& s)
+  std::string& to_lower(std::string& s)
   {
     transform(s.begin(),s.end(), s.begin(), tolower);
+    return s;
   }
 
 
-  void to_upper(std::string& s)
+  std::string& to_upper(std::string& s)
   {
     transform(s.begin(),s.end(), s.begin(), toupper);
+    return s;
   }