ceph/src/boost/libs/local_function/include/boost/local_function/aux_/nobind.hpp

   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/local_function
   7
   8 #ifndef BOOST_LOCAL_FUNCTION_AUX_NOBIND_HPP_
   9 #define BOOST_LOCAL_FUNCTION_AUX_NOBIND_HPP_
  10
  11 #include <boost/local_function/config.hpp>
  12
  13 // NOTE: The current implementation needs no-bind placeholders only when
  14 // local types cannot be passed as template parameters.
  15 #if !BOOST_LOCAL_FUNCTION_CONFIG_LOCALS_AS_TPARAMS
  16
  17 namespace boost { namespace local_function { namespace aux {
  18
  19 typedef int nobind_t; // Tag no-bind type.
  20
  21 static nobind_t nobind; // Global variable so all no-binds can reference it.
  22
  23 // NOTE: Used only to get rid of unused static variable `nobind` (this function
  24 // is never actually called so it does not need to be defined).
  25 void no_unused_nobind_warning_(nobind_t* ptr = &nobind);
  26
  27 } } } // namespace
  28
  29 #endif // locals as tparams
  30
  31 #endif // #include guard
  32