From 8317aeb9426fd2f0ec986c224dd02412f4ae0c38 Mon Sep 17 00:00:00 2001
From: Zach Laine <whatwasthataddress@gmail.com>
Date: Sun, 30 Apr 2017 21:23:42 -0500
Subject: [PATCH] typedef -> using

---
 yaml/detail/ast_impl.hpp             | 10 +++++-----
 yaml/parser/basic_structures_def.hpp |  2 +-
 yaml/parser/characters_def.hpp       |  6 +++---
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/yaml/detail/ast_impl.hpp b/yaml/detail/ast_impl.hpp
index 05d94343..fc307b53 100644
--- a/yaml/detail/ast_impl.hpp
+++ b/yaml/detail/ast_impl.hpp
@@ -26,7 +26,7 @@ namespace yaml { namespace ast {
     {
         struct depth_f
         {
-            typedef int result_type;
+            using result_type = int;
 
             template <typename T>
             int operator()(T const& val) const
@@ -91,7 +91,7 @@ namespace yaml { namespace ast {
         template <int Spaces, bool ExpandAliases>
         struct yaml_printer
         {
-            typedef void result_type;
+            using result_type = void;
             static int const spaces = Spaces;
             static int const primary_level = 0;
             static bool const expand_aliases = ExpandAliases;
@@ -122,8 +122,8 @@ namespace yaml { namespace ast {
                 if (!is_key)
                     out << '"';
 
-                typedef ::boost::uint32_t ucs4_char;
-                typedef boost::u8_to_u32_iterator<std::string::const_iterator> iter_t;
+                using ucs4_char = ::boost::uint32_t;
+                using iter_t = boost::u8_to_u32_iterator<std::string::const_iterator>;
                 iter_t f = utf.begin();
                 iter_t l = utf.end();
 
@@ -339,7 +339,7 @@ namespace yaml { namespace ast {
 
         struct value_equal
         {
-            typedef bool result_type;
+            using result_type = bool;
 
             template <typename A, typename B>
             bool operator()(A const& a, B const& b) const
diff --git a/yaml/parser/basic_structures_def.hpp b/yaml/parser/basic_structures_def.hpp
index 7fbb6e86..163205f4 100644
--- a/yaml/parser/basic_structures_def.hpp
+++ b/yaml/parser/basic_structures_def.hpp
@@ -22,7 +22,7 @@ namespace yaml { namespace parser {
         struct check_yaml_version
         {
             template <typename, typename>
-            struct result { typedef void type; };
+            struct result { using type = void; };
 
             void operator() (unsigned int major, unsigned int minor) const
             {
diff --git a/yaml/parser/characters_def.hpp b/yaml/parser/characters_def.hpp
index fcfd313c..77e1d795 100644
--- a/yaml/parser/characters_def.hpp
+++ b/yaml/parser/characters_def.hpp
@@ -24,11 +24,11 @@ namespace yaml { namespace parser {
         struct push_utf8
         {
             template <typename S, typename C>
-            struct result { typedef void type; };
+            struct result { using type = void; };
 
             void operator() (std::string & utf8, uchar_t code_point) const
             {
-                typedef std::back_insert_iterator<std::string> insert_iter;
+                using insert_iter = std::back_insert_iterator<std::string>;
                 insert_iter out_iter(utf8);
                 boost::utf8_output_iterator<insert_iter> utf8_iter(out_iter);
                 *utf8_iter++ = code_point;
@@ -38,7 +38,7 @@ namespace yaml { namespace parser {
         struct push_esc
         {
             template <typename S, typename C>
-            struct result { typedef void type; };
+            struct result { using type = void; };
 
             void operator() (std::string & utf8, uchar_t c) const
             {