From 4e8bbe48df4aa789ff307622b0e63e17df4fb321 Mon Sep 17 00:00:00 2001
From: artemp <artem@mapnik.org>
Date: Wed, 27 Jan 2016 12:05:39 +0100
Subject: [PATCH] fix return type

---
 include/mapnik/expression_evaluator.hpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/mapnik/expression_evaluator.hpp b/include/mapnik/expression_evaluator.hpp
index 2c1ab1464..58b34486e 100644
--- a/include/mapnik/expression_evaluator.hpp
+++ b/include/mapnik/expression_evaluator.hpp
@@ -45,27 +45,27 @@ struct evaluate
         : feature_(f),
           vars_(v) {}
 
-    value_integer operator() (value_integer val) const
+    value_type operator() (value_integer val) const
     {
         return val;
     }
 
-    value_double operator() (value_double val) const
+    value_type operator() (value_double val) const
     {
         return val;
     }
 
-    value_bool operator() (value_bool val) const
+    value_type operator() (value_bool val) const
     {
         return val;
     }
 
-    value_null operator() (value_null val) const
+    value_type operator() (value_null val) const
     {
         return val;
     }
 
-    value_unicode_string const& operator() (value_unicode_string const& str) const
+    value_type operator() (value_unicode_string const& str) const
     {
         return str;
     }