negate.cpp 496 B

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  1. // Copyright Louis Dionne 2013-2017
  2. // Distributed under the Boost Software License, Version 1.0.
  3. // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  4. #include <boost/hana/assert.hpp>
  5. #include <boost/hana/equal.hpp>
  6. #include <boost/hana/integral_constant.hpp>
  7. #include <boost/hana/negate.hpp>
  8. namespace hana = boost::hana;
  9. int main() {
  10. BOOST_HANA_CONSTANT_CHECK(hana::negate(hana::int_c<3>) == hana::int_c<-3>);
  11. static_assert(hana::negate(2) == -2, "");
  12. }