is_subset.cpp 1.3 KB

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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/is_subset.hpp>
  6. #include <boost/hana/not.hpp>
  7. #include <boost/hana/set.hpp>
  8. #include <laws/base.hpp>
  9. namespace hana = boost::hana;
  10. using hana::test::ct_eq;
  11. int main() {
  12. BOOST_HANA_CONSTANT_CHECK(hana::is_subset(
  13. hana::make_set(),
  14. hana::make_set(ct_eq<0>{})
  15. ));
  16. BOOST_HANA_CONSTANT_CHECK(hana::is_subset(
  17. hana::make_set(ct_eq<0>{}),
  18. hana::make_set(ct_eq<0>{})
  19. ));
  20. BOOST_HANA_CONSTANT_CHECK(hana::is_subset(
  21. hana::make_set(ct_eq<0>{}),
  22. hana::make_set(ct_eq<0>{}, ct_eq<1>{})
  23. ));
  24. BOOST_HANA_CONSTANT_CHECK(hana::is_subset(
  25. hana::make_set(ct_eq<0>{}, ct_eq<1>{}),
  26. hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
  27. ));
  28. BOOST_HANA_CONSTANT_CHECK(hana::is_subset(
  29. hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}),
  30. hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
  31. ));
  32. BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_subset(
  33. hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<3>{}),
  34. hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
  35. )));
  36. }