From 2124005bd843df0a72f19a151b7ffd11f39f83f2 Mon Sep 17 00:00:00 2001
From: rbock <rbock@eudoxos.de>
Date: Tue, 6 May 2014 22:20:24 +0200
Subject: [PATCH] Added index_sequence (until it can be used with C++14)

---
 include/sqlpp11/detail/index_sequence.h | 64 +++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 include/sqlpp11/detail/index_sequence.h

diff --git a/include/sqlpp11/detail/index_sequence.h b/include/sqlpp11/detail/index_sequence.h
new file mode 100644
index 00000000..c45a992f
--- /dev/null
+++ b/include/sqlpp11/detail/index_sequence.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2013-2014, Roland Bock
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 
+ *   Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ * 
+ *   Redistributions in binary form must reproduce the above copyright notice, this
+ *   list of conditions and the following disclaimer in the documentation and/or
+ *   other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SQLPP_DETAIL_INDEX_SEQUENCE_H
+#define SQLPP_DETAIL_INDEX_SEQUENCE_H
+
+#include <type_traits>
+
+namespace sqlpp
+{
+	namespace detail
+	{
+		// Note: This is a minimalistic implementation of index_sequence available in C++14
+		//       It should be replaced once the project is moved to C++14 or beyond
+		template<std::size_t... Ints>
+			struct index_sequence
+			{};
+
+		template<typename T, std::size_t N>
+			struct make_index_sequence_impl;
+
+		template<std::size_t N, std::size_t... Ints>
+			struct make_index_sequence_impl<index_sequence<Ints...>, N>
+			{
+				using type = typename make_index_sequence_impl<index_sequence<Ints..., sizeof...(Ints)>, N - 1>::type;
+			};
+
+		template<std::size_t... Ints>
+			struct make_index_sequence_impl<index_sequence<Ints...>, 0>
+			{
+				using type = index_sequence<Ints...>;
+			};
+
+		template<std::size_t N>
+			using make_index_sequence = typename make_index_sequence_impl<index_sequence<>, N>::type;
+
+	}
+}
+
+
+#endif