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30 lines
888 B
C++
30 lines
888 B
C++
/*
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@copyright Louis Dionne 2014
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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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*/
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#include <boost/hana/functional.hpp>
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#include <boost/hana/detail/constexpr.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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#include <tuple>
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using namespace boost::hana;
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BOOST_HANA_CONSTEXPR_LAMBDA auto f = [](auto ...xs) {
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return std::make_tuple(xs...);
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};
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BOOST_HANA_CONSTEXPR_LAMBDA auto g = [](auto x) { return x + 1; };
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BOOST_HANA_CONSTEXPR_LAMBDA auto h = g;
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BOOST_HANA_CONSTEXPR_LAMBDA auto i = g;
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int main() {
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BOOST_HANA_STATIC_ASSERT(lockstep(f)() == f());
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BOOST_HANA_STATIC_ASSERT(lockstep(f, g)(1) == f(g(1)));
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BOOST_HANA_STATIC_ASSERT(lockstep(f, g, h)(1, '2') == f(g(1), h('2')));
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BOOST_HANA_STATIC_ASSERT(lockstep(f, g, h, i)(1, '2', 3.3) == f(g(1), h('2'), i(3.3)));
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}
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