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08f66d47c1
Along with PR #166, this closes #122 because names have now been cleaned up and are now consistent basically everywhere.
28 lines
757 B
C++
28 lines
757 B
C++
/*
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@copyright Louis Dionne 2015
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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/assert.hpp>
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#include <boost/hana/equal.hpp>
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#include <boost/hana/integral_constant.hpp>
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#include <boost/hana/optional.hpp>
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#include <boost/hana/quot.hpp>
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#include <boost/hana/rem.hpp>
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namespace hana = boost::hana;
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auto even = [](auto x) {
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return x % hana::int_c<2> == hana::int_c<0>;
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};
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auto half = [](auto x) {
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return x / hana::int_c<2>;
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};
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BOOST_HANA_CONSTANT_CHECK(hana::only_when(even, half, hana::int_c<4>) == hana::just(hana::int_c<2>));
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BOOST_HANA_CONSTANT_CHECK(hana::only_when(even, half, hana::int_c<3>) == hana::nothing);
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int main() { }
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