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31 lines
744 B
C++
31 lines
744 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/core/common.hpp>
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#include <type_traits>
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using namespace boost::hana;
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//! [common]
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struct Person { };
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struct Employee : Person { };
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static_assert(std::is_same<common<int, float>::type, float>{}, "");
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static_assert(std::is_same<common<Person, Employee>::type, Person>{}, "");
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//! [common]
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//! [common_t]
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static_assert(std::is_same<common_t<int, float>, common<int, float>::type>{}, "");
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//! [common_t]
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//! [has_common]
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static_assert(has_common<int, float>{}, "");
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static_assert(!has_common<void, float>{}, "");
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//! [has_common]
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int main() { }
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