From fe869dd847aaa44bb1241a3e443489a2548b53e9 Mon Sep 17 00:00:00 2001
From: Oliver Kowalke <oliver.kowalke@gmx.de>
Date: Mon, 19 Oct 2015 11:55:27 +0200
Subject: [PATCH] add missing header for isdigit() in example parser

---
 example/parser.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/example/parser.cpp b/example/parser.cpp
index e960fc5..16882a8 100644
--- a/example/parser.cpp
+++ b/example/parser.cpp
@@ -4,6 +4,7 @@
 //    (See accompanying file LICENSE_1_0.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
 
+#include <cctype>
 #include <cstdio>
 #include <exception>
 #include <functional>