ceph/src/boost/libs/hana/test/pair/foldable.cpp

   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
   5 #include <boost/hana/assert.hpp>
   6 #include <boost/hana/equal.hpp>
   7 #include <boost/hana/pair.hpp>
   8 #include <boost/hana/tuple.hpp>
   9 #include <boost/hana/unpack.hpp>
  10
  11 #include <laws/base.hpp>
  12 #include <laws/foldable.hpp>
  13 namespace hana = boost::hana;
  14 using hana::test::ct_eq;
  15
  16
  17 int main() {
  18     hana::test::_injection<0> f{};
  19
  20     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  21         hana::unpack(hana::make_pair(ct_eq<1>{}, ct_eq<2>{}), f),
  22         f(ct_eq<1>{}, ct_eq<2>{})
  23     ));
  24
  25     hana::test::TestFoldable<hana::pair_tag>{hana::make_tuple(
  26         hana::make_pair(ct_eq<3>{}, ct_eq<3>{})
  27       , hana::make_pair(ct_eq<3>{}, ct_eq<4>{})
  28       , hana::make_pair(ct_eq<4>{}, ct_eq<3>{})
  29       , hana::make_pair(ct_eq<4>{}, ct_eq<4>{})
  30     )};
  31 }