58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
// Copyright Louis Dionne 2013-2017
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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#include <boost/hana/ext/boost/mpl/list.hpp>
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#include <boost/hana/assert.hpp>
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#include <boost/hana/equal.hpp>
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#include <boost/hana/unpack.hpp>
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#include <boost/hana/type.hpp>
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#include <laws/base.hpp>
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#include <laws/foldable.hpp>
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#include <boost/mpl/list.hpp>
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namespace hana = boost::hana;
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namespace mpl = boost::mpl;
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struct t1; struct t2; struct t3; struct t4;
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int main() {
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// unpack
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{
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hana::test::_injection<0> f{};
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::unpack(mpl::list<>{}, f),
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f()
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::unpack(mpl::list<t1>{}, f),
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f(hana::type_c<t1>)
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::unpack(mpl::list<t1, t2>{}, f),
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f(hana::type_c<t1>, hana::type_c<t2>)
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::unpack(mpl::list<t1, t2, t3>{}, f),
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f(hana::type_c<t1>, hana::type_c<t2>, hana::type_c<t3>)
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));
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}
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// laws
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auto lists = hana::make_tuple(
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mpl::list<>{}
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, mpl::list<t1>{}
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, mpl::list<t1, t2>{}
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, mpl::list<t1, t2, t3>{}
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, mpl::list<t1, t2, t3, t4>{}
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);
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hana::test::TestFoldable<hana::ext::boost::mpl::list_tag>{lists};
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}
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