mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-12 13:05:41 +03:00
63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
// (C) Copyright Gennadiy Rozental 2001.
|
|
// 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)
|
|
|
|
// See http://www.boost.org/libs/test for the library home page.
|
|
//
|
|
/// @file
|
|
/// Defines c++14 index_sequence implementation
|
|
// ***************************************************************************
|
|
|
|
#ifndef BOOST_TEST_DATA_INDEX_SEQUENCE_HPP
|
|
#define BOOST_TEST_DATA_INDEX_SEQUENCE_HPP
|
|
|
|
// Boost.Test
|
|
#include <boost/test/data/config.hpp>
|
|
|
|
#include <boost/test/detail/suppress_warnings.hpp>
|
|
|
|
//____________________________________________________________________________//
|
|
|
|
namespace boost {
|
|
namespace unit_test {
|
|
namespace data {
|
|
|
|
// ************************************************************************** //
|
|
// ************** data::index_sequence ************** //
|
|
// ************************************************************************** //
|
|
|
|
template <std::size_t... Ns>
|
|
struct index_sequence {};
|
|
|
|
template<typename IS1, typename IS2>
|
|
struct merge_index_sequence;
|
|
|
|
template <std::size_t... Ns1, std::size_t... Ns2>
|
|
struct merge_index_sequence<index_sequence<Ns1...>, index_sequence<Ns2...>> {
|
|
typedef index_sequence<Ns1..., Ns2...> type;
|
|
};
|
|
|
|
template <std::size_t B, std::size_t E, typename Enabler = void>
|
|
struct make_index_sequence {
|
|
typedef typename merge_index_sequence<typename make_index_sequence<B,(B+E)/2>::type,
|
|
typename make_index_sequence<(B+E)/2,E>::type>::type type;
|
|
};
|
|
|
|
template <std::size_t B, std::size_t E>
|
|
struct make_index_sequence<B,E,typename std::enable_if<E==B+1,void>::type> {
|
|
typedef index_sequence<B> type;
|
|
};
|
|
|
|
template <typename... T>
|
|
using index_sequence_for = typename make_index_sequence<0, sizeof...(T)>::type;
|
|
|
|
} // namespace data
|
|
} // namespace unit_test
|
|
} // namespace boost
|
|
|
|
#include <boost/test/detail/enable_warnings.hpp>
|
|
|
|
#endif // BOOST_TEST_DATA_INDEX_SEQUENCE_HPP
|
|
|