ceph/src/boost/libs/hana/test/string/contains.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/contains.hpp>
   7 #include <boost/hana/integral_constant.hpp>
   8 #include <boost/hana/not.hpp>
   9 #include <boost/hana/string.hpp>
  10 namespace hana = boost::hana;
  11
  12
  13 struct invalid { };
  14
  15 int main() {
  16     BOOST_HANA_CONSTANT_CHECK(hana::contains(
  17         BOOST_HANA_STRING("abcd"),
  18         hana::char_c<'a'>
  19     ));
  20     BOOST_HANA_CONSTANT_CHECK(hana::contains(
  21         BOOST_HANA_STRING("abcd"),
  22         hana::char_c<'c'>
  23     ));
  24     BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::contains(
  25         BOOST_HANA_STRING("abcd"),
  26         hana::char_c<'e'>
  27     )));
  28     BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::contains(
  29         BOOST_HANA_STRING("abcd"),
  30         invalid{}
  31     )));
  32 }