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27 lines
893 B
C++
27 lines
893 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/list/instance.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 <boost/hana/integral.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 x, auto y) {
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return std::make_tuple(x, y);
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};
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int main() {
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BOOST_HANA_STATIC_ASSERT(foldl(f, int_<0>, list()) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(foldl(f, int_<0>, list(int_<1>)) == f(int_<0>, int_<1>));
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BOOST_HANA_STATIC_ASSERT(foldl(f, int_<0>, list(int_<1>, int_<2>)) == f(f(int_<0>, int_<1>), int_<2>));
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BOOST_HANA_STATIC_ASSERT(foldl(f, int_<0>, list(int_<1>, int_<2>, int_<3>)) == f(f(f(int_<0>, int_<1>), int_<2>), int_<3>));
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}
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