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3rdparty/boost_1_81_0/boost/mpl/lambda_fwd.hpp 1.17 KB
63e88f80   Hu Chunming   提交三方库
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  #ifndef BOOST_MPL_LAMBDA_FWD_HPP_INCLUDED
  #define BOOST_MPL_LAMBDA_FWD_HPP_INCLUDED
  
  // Copyright Aleksey Gurtovoy 2001-2004
  //
  // Distributed under the Boost Software License, Version 1.0. 
  // (See accompanying file LICENSE_1_0.txt or copy at 
  // http://www.boost.org/LICENSE_1_0.txt)
  //
  // See http://www.boost.org/libs/mpl for documentation.
  
  // $Id$
  // $Date$
  // $Revision$
  
  #include <boost/mpl/void_fwd.hpp>
  #include <boost/mpl/aux_/na.hpp>
  #include <boost/mpl/aux_/config/lambda.hpp>
  
  #if !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT)
  
  #   include <boost/mpl/int.hpp>
  #   include <boost/mpl/aux_/lambda_arity_param.hpp>
  #   include <boost/mpl/aux_/template_arity_fwd.hpp>
  
  namespace boost { namespace mpl {
  
  template< 
        typename T = na
      , typename Tag = void_
      BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(
            typename Arity = int_< aux::template_arity<T>::value >
          )
      >
  struct lambda;
  
  }}
  
  #else // BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT
  
  #   include <boost/mpl/bool.hpp>
  
  namespace boost { namespace mpl {
  
  template< 
        typename T = na
      , typename Tag = void_
      , typename Protect = true_
      > 
  struct lambda;
  
  }}
  
  #endif
  
  #endif // BOOST_MPL_LAMBDA_FWD_HPP_INCLUDED