From 0c48ea12e01c2bd7162ae204d7112e127026f68f Mon Sep 17 00:00:00 2001
From: Kim Walisch <kim.walisch@gmail.com>
Date: Fri, 8 Nov 2013 23:12:00 +0100
Subject: [PATCH] Silence warning

---
 calculator.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/calculator.hpp b/calculator.hpp
index a8a7474..2d4e6c7 100644
--- a/calculator.hpp
+++ b/calculator.hpp
@@ -112,11 +112,11 @@ class ExpressionParser
       if (!isEnd())
         unexpected();
     }
-    catch (const calculator::error& e)
+    catch (const calculator::error&)
     {
       while(!stack_.empty())
         stack_.pop();
-      throw e;
+      throw;
     }
     return result;
   }