52 lines
1.4 KiB
C++
52 lines
1.4 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/assert.hpp>
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#include <boost/hana/concept/struct.hpp>
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#include <boost/hana/equal.hpp>
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#include <boost/hana/members.hpp>
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#include "minimal_struct.hpp"
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#include <laws/base.hpp>
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#include <support/seq.hpp>
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namespace hana = boost::hana;
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using hana::test::ct_eq;
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struct MoveOnly {
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MoveOnly() = default;
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MoveOnly(MoveOnly&&) = default;
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MoveOnly(MoveOnly const&) = delete;
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MoveOnly& operator=(MoveOnly&&) = default;
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MoveOnly& operator=(MoveOnly const&) = delete;
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};
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int main() {
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::members(obj()),
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::seq()
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::members(obj(ct_eq<0>{})),
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::seq(ct_eq<0>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::members(obj(ct_eq<0>{}, ct_eq<1>{})),
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::seq(ct_eq<0>{}, ct_eq<1>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::members(obj(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
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::seq(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
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));
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// make sure it works with move only types
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auto z1 = hana::members(obj(MoveOnly{}));
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auto z2 = hana::members(obj(MoveOnly{}, MoveOnly{}));
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(void)z1;
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(void)z2;
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}
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