ceph/src/boost/libs/hana/test/string/front.cpp

   1 // Copyright Louis Dionne 2013-2016
   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/front.hpp>
   8 #include <boost/hana/integral_constant.hpp>
   9 #include <boost/hana/string.hpp>
  10 namespace hana = boost::hana;
  11
  12
  13 int main() {
  14     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  15         hana::front(BOOST_HANA_STRING("a")),
  16         hana::char_c<'a'>
  17     ));
  18
  19     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  20         hana::front(BOOST_HANA_STRING("ab")),
  21         hana::char_c<'a'>
  22     ));
  23
  24     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  25         hana::front(BOOST_HANA_STRING("abc")),
  26         hana::char_c<'a'>
  27     ));
  28 }