diff --git a/example/csv/main.cpp b/example/csv/main.cpp
index ef2dedf5..d061fd6e 100644
--- a/example/csv/main.cpp
+++ b/example/csv/main.cpp
@@ -15,9 +15,6 @@
 #include <sprout/string.hpp>
 #include <sprout/algorithm.hpp>
 
-template<typename T, std::size_t N>
-using subbed_array = sprout::sub_array<sprout::array<T, N> >;
-
 template<typename Char>
 struct csv_parser_settings {
 public:
@@ -45,10 +42,10 @@ public:
 };
 
 template<std::size_t N, std::size_t L, typename String, typename ResultString = String>
-constexpr subbed_array<subbed_array<ResultString, N>, L>
+constexpr sprout::array_sub_t<sprout::array_sub_t<ResultString, N>, L>
 parse_csv(String const& src, csv_parser_settings<typename String::value_type> settings = csv_parser_settings<typename String::value_type>()) {
 	typedef typename String::value_type value_type;
-	subbed_array<subbed_array<ResultString, N>, L> result = {};
+	sprout::array_sub_t<sprout::array_sub_t<ResultString, N>, L> result = {};
 	result.window(0, 1);
 	result.back().window(0, 0);
 	auto delimiters = sprout::make_string(settings.delimiter(), value_type('\r'), value_type('\n'));
diff --git a/sprout/sub_array.hpp b/sprout/sub_array.hpp
index ba97c4cf..8e838b19 100644
--- a/sprout/sub_array.hpp
+++ b/sprout/sub_array.hpp
@@ -18,5 +18,6 @@
 #include <sprout/sub_array/sub_window.hpp>
 #include <sprout/sub_array/sub_offset.hpp>
 #include <sprout/sub_array/type_traits.hpp>
+#include <sprout/sub_array/array_sub.hpp>
 
 #endif	// #ifndef SPROUT_SUB_ARRAY_HPP
diff --git a/sprout/sub_array/array_sub.hpp b/sprout/sub_array/array_sub.hpp
new file mode 100644
index 00000000..017b6b1c
--- /dev/null
+++ b/sprout/sub_array/array_sub.hpp
@@ -0,0 +1,32 @@
+/*=============================================================================
+  Copyright (c) 2011-2016 Bolero MURAKAMI
+  https://github.com/bolero-MURAKAMI/Sprout
+
+  Distributed under the Boost Software License, Version 1.0. (See accompanying
+  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+=============================================================================*/
+#ifndef SPROUT_SUB_ARRAY_ARRAY_SUB_HPP
+#define SPROUT_SUB_ARRAY_ARRAY_SUB_HPP
+
+#include <sprout/config.hpp>
+#include <sprout/workaround/std/cstddef.hpp>
+#include <sprout/array/array.hpp>
+#include <sprout/sub_array/sub_array.hpp>
+#include <sprout/type_traits/identity.hpp>
+
+namespace sprout {
+	//
+	// array_sub
+	//
+	template<typename T, std::size_t N>
+	struct array_sub
+		: public sprout::identity<sprout::sub_array<sprout::array<T, N> > >
+	{};
+
+#if SPROUT_USE_TEMPLATE_ALIASES
+	template<typename T, std::size_t N>
+	using array_sub_t = typename sprout::array_sub<T, N>::type;
+#endif	// #if SPROUT_USE_TEMPLATE_ALIASES
+}	// namespace sprout
+
+#endif	// #ifndef SPROUT_SUB_ARRAY_ARRAY_SUB_HPP