any_of.cpp 740 B

1234567891011121314151617181920212223
  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/any_of.hpp>
  5. #include <boost/hana/assert.hpp>
  6. #include <boost/hana/equal.hpp>
  7. #include <boost/hana/not.hpp>
  8. #include <boost/hana/optional.hpp>
  9. #include <laws/base.hpp>
  10. namespace hana = boost::hana;
  11. using hana::test::ct_eq;
  12. int main() {
  13. ct_eq<2> x{};
  14. ct_eq<3> y{};
  15. BOOST_HANA_CONSTANT_CHECK(hana::any_of(hana::just(x), hana::equal.to(x)));
  16. BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::any_of(hana::just(x), hana::equal.to(y))));
  17. BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::any_of(hana::nothing, hana::equal.to(x))));
  18. }