ceph/src/boost/libs/hana/example/if.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/bool.hpp>
   6 #include <boost/hana/equal.hpp>
   7 #include <boost/hana/if.hpp>
   8 #include <boost/hana/tuple.hpp>
   9 namespace hana = boost::hana;
  10
  11
  12 static_assert(hana::if_(true, 1, 2) == 1, "");
  13 static_assert(hana::if_(false, 1, 2) == 2, "");
  14
  15 static_assert(
  16     hana::if_(hana::true_c,
  17         hana::make_tuple('t', 'r', 'u', 'e'),
  18         hana::make_tuple('f', 'a', 'l', 's', 'e')
  19     )
  20         ==
  21     hana::make_tuple('t', 'r', 'u', 'e')
  22 , "");
  23
  24 int main() { }