liuxiaolong
2021-07-20 58d904a328c0d849769b483e901a0be9426b8209
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// (C) Copyright Tobias Schwinger
//
// Use modification and distribution are subject to the boost Software License,
// Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).
 
//------------------------------------------------------------------------------
 
#ifndef BOOST_FT_IS_FUNCTION_REFERENCE_HPP_INCLUDED
#define BOOST_FT_IS_FUNCTION_REFERENCE_HPP_INCLUDED
 
#include <boost/mpl/aux_/lambda_support.hpp>
 
#include <boost/function_types/components.hpp>
 
namespace boost 
  namespace function_types 
  {
    template< typename T, typename Tag = null_tag > 
    struct is_function_reference
      : function_types::represents
        < function_types::components<T>
        , function_types::tag<Tag ,detail::reference_tag> >
    { 
      BOOST_MPL_AUX_LAMBDA_SUPPORT(2,is_function_reference,(T,Tag))
    };
  }
 
#endif