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26 lines
844 B
C++
26 lines
844 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/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 <boost/hana/list.hpp>
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#include <boost/hana/logical.hpp>
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#include <boost/hana/trait.hpp>
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#include <boost/hana/type.hpp>
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using namespace boost::hana;
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int main() {
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BOOST_HANA_CONSTEXPR_LAMBDA auto types = list_t<long, float, short, double, float, long, long double>;
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BOOST_HANA_CONSTEXPR_LAMBDA auto count_if_float = [](auto c, auto t) {
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return if_(trait::is_floating_point(t), c + int_<1>, c);
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};
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BOOST_HANA_STATIC_ASSERT(foldl(count_if_float, int_<0>, types) == int_<4>);
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}
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