ceph/src/boost/libs/hana/test/concept/struct/any_of.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/any_of.hpp>
   6 #include <boost/hana/assert.hpp>
   7 #include <boost/hana/concept/struct.hpp>
   8 #include <boost/hana/equal.hpp>
   9 #include <boost/hana/integral_constant.hpp>
  10 #include <boost/hana/not.hpp>
  11
  12 #include "minimal_struct.hpp"
  13 namespace hana = boost::hana;
  14
  15
  16 template <int i = 0>
  17 struct undefined { };
  18
  19 int main() {
  20     BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::any_of(
  21         obj(),
  22         undefined<>{}
  23     )));
  24
  25     BOOST_HANA_CONSTANT_CHECK(hana::any_of(
  26         obj(undefined<0>{}),
  27         hana::equal.to(hana::int_c<0>)
  28     ));
  29     BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::any_of(
  30         obj(undefined<0>{}),
  31         hana::equal.to(hana::int_c<1>)
  32     )));
  33
  34     BOOST_HANA_CONSTANT_CHECK(hana::any_of(
  35         obj(undefined<0>{}, undefined<1>{}),
  36         hana::equal.to(hana::int_c<0>)
  37     ));
  38     BOOST_HANA_CONSTANT_CHECK(hana::any_of(
  39         obj(undefined<0>{}, undefined<1>{}),
  40         hana::equal.to(hana::int_c<1>)
  41     ));
  42     BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::any_of(
  43         obj(undefined<0>{}, undefined<1>{}),
  44         hana::equal.to(hana::int_c<2>)
  45     )));
  46 }