From 4a502d980252590c7fa96a0025e8e470b6cd07e4 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Tue, 11 Jun 2019 20:28:05 -0700
Subject: [PATCH] Add remove_reference_t

---
 include/fmt/core.h   | 5 +++--
 include/fmt/format.h | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/fmt/core.h b/include/fmt/core.h
index 339a273b..c2a7e307 100644
--- a/include/fmt/core.h
+++ b/include/fmt/core.h
@@ -196,6 +196,8 @@ using enable_if_t = typename std::enable_if<B, T>::type;
 template <bool B, class T, class F>
 using conditional_t = typename std::conditional<B, T, F>::type;
 template <bool B> using bool_constant = std::integral_constant<bool, B>;
+template <typename T>
+using remove_reference_t = typename std::remove_reference<T>::type;
 
 struct monostate {};
 
@@ -1311,8 +1313,7 @@ template <typename OutputIt, typename S, typename Char = char_t<S>,
               internal::is_contiguous_back_insert_iterator<OutputIt>::value)>
 OutputIt vformat_to(OutputIt out, const S& format_str,
                     basic_format_args<buffer_context<Char>> args) {
-  using container = typename std::remove_reference<decltype(
-      internal::get_container(out))>::type;
+  using container = remove_reference_t<decltype(internal::get_container(out))>;
   internal::container_buffer<container> buf((internal::get_container(out)));
   internal::vformat_to(buf, to_string_view(format_str), args);
   return out;
diff --git a/include/fmt/format.h b/include/fmt/format.h
index 4e428af1..28bbe0f4 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -3460,7 +3460,7 @@ template <typename It> class is_output_iterator {
   template <typename U> static const char& test(...);
 
   typedef decltype(test<It>(typename it_category<It>::type{})) type;
-  typedef typename std::remove_reference<type>::type result;
+  typedef remove_reference_t<type> result;
 
  public:
   static const bool value = !std::is_const<result>::value;