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26 lines
830 B
C++
26 lines
830 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
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/hana/list.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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using namespace boost::hana;
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constexpr struct {
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template <typename I>
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constexpr auto operator()(I i) const { return i + int_<1>; }
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} f{};
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int main() {
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BOOST_HANA_STATIC_ASSERT(fmap(f, list()) == list());
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BOOST_HANA_STATIC_ASSERT(fmap(f, list(int_<1>)) == list(f(int_<1>)));
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BOOST_HANA_STATIC_ASSERT(fmap(f, list(int_<1>, int_<2>)) == list(f(int_<1>), f(int_<2>)));
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BOOST_HANA_STATIC_ASSERT(fmap(f, list(int_<1>, int_<2>, int_<3>)) == list(f(int_<1>), f(int_<2>), f(int_<3>)));
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}
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