searchable.cpp 769 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/contains.hpp>
  6. #include <boost/hana/core/is_a.hpp>
  7. #include <boost/hana/equal.hpp>
  8. #include <boost/hana/find_if.hpp>
  9. #include <boost/hana/optional.hpp>
  10. #include <boost/hana/tuple.hpp>
  11. #include <string>
  12. namespace hana = boost::hana;
  13. using namespace std::string_literals;
  14. int main() {
  15. BOOST_HANA_RUNTIME_CHECK(
  16. hana::find_if(hana::make_tuple(1, '2', 3.3, "abc"s), hana::is_a<std::string>) == hana::just("abc"s)
  17. );
  18. BOOST_HANA_RUNTIME_CHECK(
  19. "abc"s ^hana::in^ hana::make_tuple(1, '2', 3.3, "abc"s)
  20. );
  21. }