From 228c942b6c60a518a2d9cd9c5b28d2eabf534df1 Mon Sep 17 00:00:00 2001
From: Jason Turner <jason@emptycrate.com>
Date: Tue, 7 Jun 2016 12:26:30 -0600
Subject: [PATCH] Use std::exchange

---
 include/chaiscript/language/chaiscript_parser.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/chaiscript/language/chaiscript_parser.hpp b/include/chaiscript/language/chaiscript_parser.hpp
index bba9b6a..5262b64 100644
--- a/include/chaiscript/language/chaiscript_parser.hpp
+++ b/include/chaiscript/language/chaiscript_parser.hpp
@@ -200,8 +200,7 @@ namespace chaiscript
           if (m_pos != m_end) {
             if (*m_pos == '\n') {
               ++line;
-              m_last_col = col;
-              col = 1;
+              m_last_col = std::exchange(col, 1);
             } else {
               ++col;
             }