ceph/src/boost/libs/hana/example/type/hashable.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/hash.hpp>
   8 #include <boost/hana/type.hpp>
   9 namespace hana = boost::hana;
  10
  11
  12 // `hana::hash` is the identity on `hana::type`s.
  13 BOOST_HANA_CONSTANT_CHECK(hana::equal(
  14     hana::hash(hana::type_c<int>),
  15     hana::type_c<int>
  16 ));
  17
  18 BOOST_HANA_CONSTANT_CHECK(hana::equal(
  19     hana::hash(hana::type_c<void>),
  20     hana::type_c<void>
  21 ));
  22
  23 int main() { }