ceph/src/boost/libs/functional/overloaded_function/test/functor.cpp

   1
   2 // Copyright (C) 2009-2012 Lorenzo Caminiti
   3 // Distributed under the Boost Software License, Version 1.0
   4 // (see accompanying file LICENSE_1_0.txt or a copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6 // Home at http://www.boost.org/libs/functional/overloaded_function
   7
   8 #include "identity.hpp"
   9 #include <boost/functional/overloaded_function.hpp>
  10 #include <boost/detail/lightweight_test.hpp>
  11
  12 int main() {
  13     //[identity_calls
  14     BOOST_TEST(identity_s("abc") == "abc");
  15     BOOST_TEST(identity_i(123) == 123);
  16     BOOST_TEST(identity_d(1.23) == 1.23);
  17     //]
  18
  19     //[identity_functor
  20     boost::overloaded_function<
  21           const std::string& (const std::string&)
  22         , int (int)
  23         , double (double)
  24     > identity(identity_s, identity_i, identity_d);
  25
  26     // All calls via single `identity` function.
  27     BOOST_TEST(identity("abc") == "abc");
  28     BOOST_TEST(identity(123) == 123);
  29     BOOST_TEST(identity(1.23) == 1.23);
  30     //]
  31
  32     return boost::report_errors();
  33 }
  34