From ca6ba120b35012c5092bf5af1e7228926bbe4b29 Mon Sep 17 00:00:00 2001
From: bolero-MURAKAMI <bolero.murakami@gmail.com>
Date: Sat, 7 Oct 2017 17:04:01 +0900
Subject: [PATCH] add for_each_n algorithm

---
 sprout/algorithm/cxx14.hpp            |  1 +
 sprout/algorithm/cxx14/for_each_n.hpp | 28 +++++++++++++++++++++++++++
 sprout/algorithm/for_each_n.hpp       | 14 ++++++++++++++
 3 files changed, 43 insertions(+)
 create mode 100644 sprout/algorithm/cxx14/for_each_n.hpp
 create mode 100644 sprout/algorithm/for_each_n.hpp

diff --git a/sprout/algorithm/cxx14.hpp b/sprout/algorithm/cxx14.hpp
index 532111cb..69d180cd 100644
--- a/sprout/algorithm/cxx14.hpp
+++ b/sprout/algorithm/cxx14.hpp
@@ -10,6 +10,7 @@
 
 #include <sprout/config.hpp>
 #include <sprout/algorithm/cxx14/for_each.hpp>
+#include <sprout/algorithm/cxx14/for_each_n.hpp>
 #include <sprout/algorithm/cxx14/copy.hpp>
 #include <sprout/algorithm/cxx14/copy_n.hpp>
 #include <sprout/algorithm/cxx14/copy_if.hpp>
diff --git a/sprout/algorithm/cxx14/for_each_n.hpp b/sprout/algorithm/cxx14/for_each_n.hpp
new file mode 100644
index 00000000..c52ce7a2
--- /dev/null
+++ b/sprout/algorithm/cxx14/for_each_n.hpp
@@ -0,0 +1,28 @@
+/*=============================================================================
+  Copyright (c) 2011-2017 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_ALGORITHM_CXX14_FOR_EACH_N_HPP
+#define SPROUT_ALGORITHM_CXX14_FOR_EACH_N_HPP
+
+#include <sprout/config.hpp>
+#include <sprout/utility/move.hpp>
+
+namespace sprout {
+	//
+	// 25.2.4 For each
+	//
+	template<typename InputIterator, typename Size, typename Function>
+	inline SPROUT_CXX14_CONSTEXPR InputIterator
+	for_each_n(InputIterator first, Size n, Function f) {
+		for (Size i = 0; i < n; ++first) {
+			f(*first);
+		}
+		return first;
+	}
+}	// namespace sprout
+
+#endif	// #ifndef SPROUT_ALGORITHM_CXX14_FOR_EACH_N_HPP
diff --git a/sprout/algorithm/for_each_n.hpp b/sprout/algorithm/for_each_n.hpp
new file mode 100644
index 00000000..f1d9d4a1
--- /dev/null
+++ b/sprout/algorithm/for_each_n.hpp
@@ -0,0 +1,14 @@
+/*=============================================================================
+  Copyright (c) 2011-2017 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_ALGORITHM_FOR_EACH_N_HPP
+#define SPROUT_ALGORITHM_FOR_EACH_N_HPP
+
+#include <sprout/config.hpp>
+#include <sprout/algorithm/cxx14/for_each_n.hpp>
+
+#endif	// #ifndef SPROUT_ALGORITHM_FOR_EACH_N_HPP