ceph/src/boost/libs/log/test/compile_fail/attr_functor_void_return.cpp

   1 /*
   2  *          Copyright Andrey Semashev 2007 - 2015.
   3  * Distributed under the Boost Software License, Version 1.0.
   4  *    (See accompanying file LICENSE_1_0.txt or copy at
   5  *          http://www.boost.org/LICENSE_1_0.txt)
   6  */
   7 /*!
   8  * \file   attr_functor_void_return.cpp
   9  * \author Andrey Semashev
  10  * \date   25.01.2009
  11  *
  12  * \brief  This test checks that it is not possible to create a functor attribute
  13  *         with a void-returning functor.
  14  */
  15
  16 #define BOOST_TEST_MODULE attr_functor_void_return
  17
  18 #include <boost/utility/result_of.hpp>
  19 #include <boost/log/attributes/attribute.hpp>
  20 #include <boost/log/attributes/function.hpp>
  21
  22 namespace logging = boost::log;
  23 namespace attrs = logging::attributes;
  24
  25 namespace {
  26
  27     // A test function that returns an attribute value
  28     void get_attr_value();
  29
  30 } // namespace
  31
  32 int main(int, char*[])
  33 {
  34     logging::attribute attr1 =
  35 #ifndef BOOST_NO_RESULT_OF
  36         attrs::make_function(&get_attr_value);
  37 #else
  38         attrs::make_function< void >(&get_attr_value);
  39 #endif
  40
  41     return 0;
  42 }