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Adapt std::integer_sequence.

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This commit is contained in:
Louis Dionne
2014-05-21 19:22:01 -04:00
parent 54a61c7cbe
commit c0e005672e
4 changed files with 83 additions and 0 deletions
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27
test/std_integer_sequence/iterable.cpp Normal file
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/*
* Copyright Louis Dionne 2014
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE.md or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/hana/std_integer_sequence.hpp>
#include <boost/hana/detail/static_assert.hpp>
#include <utility>
using namespace boost::hana;
int main() {
BOOST_HANA_STATIC_ASSERT(is_empty(std::index_sequence<>{}));
BOOST_HANA_STATIC_ASSERT(!is_empty(std::index_sequence<0>{}));
BOOST_HANA_STATIC_ASSERT(!is_empty(std::index_sequence<1>{}));
BOOST_HANA_STATIC_ASSERT(head(std::index_sequence<0>{}) == 0);
BOOST_HANA_STATIC_ASSERT(head(std::index_sequence<0, 1>{}) == 0);
BOOST_HANA_STATIC_ASSERT(equal(tail(std::index_sequence<0>{}), std::index_sequence<>{}));
BOOST_HANA_STATIC_ASSERT(equal(tail(std::index_sequence<0, 1>{}), std::index_sequence<1>{}));
BOOST_HANA_STATIC_ASSERT(equal(tail(std::index_sequence<0, 1, 2>{}), std::index_sequence<1, 2>{}));
}