From f1ef53bea0447aba1d5bdc5c69c1b7ec9e8dae4a Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Sat, 4 Apr 2015 10:58:55 -0400
Subject: [PATCH] Column: Return const refs rather than string copies

---
 src/columns/Column.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/columns/Column.h b/src/columns/Column.h
index 3a6662d9e..e59547c3d 100644
--- a/src/columns/Column.h
+++ b/src/columns/Column.h
@@ -46,10 +46,10 @@ public:
   bool operator== (const Column&) const;     // TODO Is this necessary?
   virtual ~Column ();
 
-  std::string name () const                   { return _name;       }
-  std::string style () const                  { return _style;      }
-  std::string label () const                  { return _label;      }
-  std::string type () const                   { return _type;       }
+  const std::string& name () const            { return _name;       }
+  const std::string& style () const           { return _style;      }
+  const std::string& label () const           { return _label;      }
+  const std::string& type () const            { return _type;       }
   bool modifiable () const                    { return _modifiable; }
   bool is_uda () const                        { return _uda;        }
   std::vector <std::string> styles () const   { return _styles;     }