From d4df1f22667bdd6e0723ee6458aa48133fb7d028 Mon Sep 17 00:00:00 2001
From: Arash Partow <partow@gmail.com>
Date: Sat, 28 Jan 2012 05:32:05 +0000
Subject: [PATCH] C++ Mathematical Expression Library (ExprTk) 
 http://www.partow.net/programming/exprtk/index.html

---
 exprtk.hpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/exprtk.hpp b/exprtk.hpp
index 9ec4aa1..afb9add 100644
--- a/exprtk.hpp
+++ b/exprtk.hpp
@@ -2091,12 +2091,12 @@ namespace exprtk
          clear_short_symbol_luts();
       }
 
-      inline std::size_t variable_count()
+      inline std::size_t variable_count() const
       {
          return variable_count_;
       }
 
-      inline std::size_t function_count()
+      inline std::size_t function_count() const
       {
          return function_count_;
       }
@@ -2422,7 +2422,6 @@ namespace exprtk
    private:
 
       typedef details::expression_node<T>* expression_ptr;
-      typedef T type;
 
       struct expression_holder
       {