From 1531131fc720934b312245cfa6693325f6c8c5c7 Mon Sep 17 00:00:00 2001
From: vng <viktor.govako@gmail.com>
Date: Thu, 8 Aug 2013 00:15:17 +0300
Subject: [PATCH] Fix std::vector logging.

---
 env/message_std.hpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/env/message_std.hpp b/env/message_std.hpp
index f0d0550..4fc7c3c 100644
--- a/env/message_std.hpp
+++ b/env/message_std.hpp
@@ -13,8 +13,13 @@ template <class T> string ToString(vector<T> const & v)
 {
   ostringstream ss;
   ss << "{ ";
-  for (size_t i = 0; i < v.size(); ++i)
-    ss << ToString(v[i]) << ", ";
+  size_t const count = v.size();
+  for (size_t i = 0; i < count; ++i)
+  {
+    ss << ToString(v[i]);
+    if (i != count - 1)
+      ss << ", ";
+  }
   ss << " }";
 
   return ss.str();