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 + +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 + struct index_sequence + {}; + + template + struct make_index_sequence_impl; + + template + struct make_index_sequence_impl, N> + { + using type = typename make_index_sequence_impl, N - 1>::type; + }; + + template + struct make_index_sequence_impl, 0> + { + using type = index_sequence; + }; + + template + using make_index_sequence = typename make_index_sequence_impl, N>::type; + + } +} + + +#endif