reverse_partial.cpp 1.9 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/equal.hpp>
  6. #include <boost/hana/functional/reverse_partial.hpp>
  7. #include <laws/base.hpp>
  8. namespace hana = boost::hana;
  9. using hana::test::ct_eq;
  10. int main() {
  11. constexpr auto rp = hana::reverse_partial;
  12. hana::test::_injection<0> f{};
  13. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  14. rp(f)(),
  15. f()
  16. ));
  17. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  18. rp(f)(ct_eq<1>{}),
  19. f(ct_eq<1>{})
  20. ));
  21. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  22. rp(f)(ct_eq<1>{}, ct_eq<2>{}),
  23. f(ct_eq<1>{}, ct_eq<2>{})
  24. ));
  25. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  26. rp(f)(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
  27. f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
  28. ));
  29. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  30. rp(f, ct_eq<1>{})(),
  31. f(ct_eq<1>{})
  32. ));
  33. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  34. rp(f, ct_eq<1>{})(ct_eq<2>{}),
  35. f(ct_eq<2>{}, ct_eq<1>{})
  36. ));
  37. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  38. rp(f, ct_eq<1>{})(ct_eq<2>{}, ct_eq<3>{}),
  39. f(ct_eq<2>{}, ct_eq<3>{}, ct_eq<1>{})
  40. ));
  41. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  42. rp(f, ct_eq<1>{}, ct_eq<2>{})(),
  43. f(ct_eq<1>{}, ct_eq<2>{})
  44. ));
  45. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  46. rp(f, ct_eq<1>{}, ct_eq<2>{})(ct_eq<3>{}),
  47. f(ct_eq<3>{}, ct_eq<1>{}, ct_eq<2>{})
  48. ));
  49. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  50. rp(f, ct_eq<1>{}, ct_eq<2>{})(ct_eq<3>{}, ct_eq<4>{}),
  51. f(ct_eq<3>{}, ct_eq<4>{}, ct_eq<1>{}, ct_eq<2>{})
  52. ));
  53. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  54. rp(f, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})(),
  55. f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
  56. ));
  57. }