From 6c7fddebbbbebdaedf3a3098ebddc07fb9640cf7 Mon Sep 17 00:00:00 2001
From: Matt Blair <blair1618@gmail.com>
Date: Thu, 30 Apr 2015 14:19:40 -0400
Subject: [PATCH] Replace ptrdiff_t with std::ptrdiff_t

---
 include/yaml-cpp/node/detail/iterator.h      | 3 ++-
 include/yaml-cpp/node/detail/node_iterator.h | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/yaml-cpp/node/detail/iterator.h b/include/yaml-cpp/node/detail/iterator.h
index 7d2a398..a3721b2 100644
--- a/include/yaml-cpp/node/detail/iterator.h
+++ b/include/yaml-cpp/node/detail/iterator.h
@@ -11,6 +11,7 @@
 #include "yaml-cpp/node/ptr.h"
 #include "yaml-cpp/node/detail/node_iterator.h"
 #include <iterator>
+#include <cstddef>
 
 namespace YAML {
 namespace detail {
@@ -18,7 +19,7 @@ struct iterator_value;
 
 template <typename V>
 class iterator_base
-    : public std::iterator<std::forward_iterator_tag, V, ptrdiff_t, V*, V> {
+    : public std::iterator<std::forward_iterator_tag, V, std::ptrdiff_t, V*, V> {
 
  private:
   template <typename>
diff --git a/include/yaml-cpp/node/detail/node_iterator.h b/include/yaml-cpp/node/detail/node_iterator.h
index 00b8804..4622fd0 100644
--- a/include/yaml-cpp/node/detail/node_iterator.h
+++ b/include/yaml-cpp/node/detail/node_iterator.h
@@ -14,6 +14,7 @@
 #include <map>
 #include <utility>
 #include <vector>
+#include <cstddef>
 
 namespace YAML {
 namespace detail {
@@ -54,7 +55,7 @@ template <typename V>
 class node_iterator_base
     : public std::iterator<
           std::forward_iterator_tag, node_iterator_value<V>,
-          ptrdiff_t, node_iterator_value<V>*, node_iterator_value<V> > {
+          std::ptrdiff_t, node_iterator_value<V>*, node_iterator_value<V> > {
  private:
   struct enabler {};