/
at.cpp
99 lines (92 loc) · 3.04 KB
/
at.cpp
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/*
@copyright Louis Dionne 2015
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
*/
#include <boost/hana/assert.hpp>
#include <boost/hana/at.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/experimental/view.hpp>
#include <boost/hana/integral_constant.hpp>
#include <laws/base.hpp>
#include <test/seq.hpp>
namespace hana = boost::hana;
using hana::test::ct_eq;
int main() {
auto container = hana::test::seq;
{
auto storage1 = container(ct_eq<0>{});
auto storage2 = container();
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<0>),
ct_eq<0>{}
));
}{
auto storage1 = container();
auto storage2 = container(ct_eq<0>{});
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<0>),
ct_eq<0>{}
));
}
{
auto storage1 = container(ct_eq<0>{}, ct_eq<1>{});
auto storage2 = container();
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<0>),
ct_eq<0>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<1>),
ct_eq<1>{}
));
}{
auto storage1 = container(ct_eq<0>{});
auto storage2 = container(ct_eq<1>{});
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<0>),
ct_eq<0>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<1>),
ct_eq<1>{}
));
}{
auto storage1 = container();
auto storage2 = container(ct_eq<0>{}, ct_eq<1>{});
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<0>),
ct_eq<0>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<1>),
ct_eq<1>{}
));
}
{
auto storage1 = container(ct_eq<0>{}, ct_eq<1>{});
auto storage2 = container(ct_eq<2>{}, ct_eq<3>{});
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<0>),
ct_eq<0>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<1>),
ct_eq<1>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<2>),
ct_eq<2>{}
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::at(joined, hana::size_c<3>),
ct_eq<3>{}
));
}
}