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29 lines
873 B
C++
29 lines
873 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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int main() {
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BOOST_HANA_STATIC_ASSERT(on(f, g)() == f());
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BOOST_HANA_STATIC_ASSERT(on(f, g)(1) == f(g(1)));
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BOOST_HANA_STATIC_ASSERT(on(f, g)(1, '2') == f(g(1), g('2')));
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BOOST_HANA_STATIC_ASSERT(on(f, g)(1, '2', 3.3) == f(g(1), g('2'), g(3.3)));
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BOOST_HANA_STATIC_ASSERT(on(f, g)(1, '2', 3.3, 4.4f) == f(g(1), g('2'), g(3.3), g(4.4f)));
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}
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