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Struct template impl

boost::proto::_expr::impl

Synopsis

// In header: <boost/proto/transform/arg.hpp>


template<typename Expr, typename State, typename Data> 
struct impl :  proto::transform_impl<  {
  // types
  typedef  ;

  // public member functions
   (, , 
                  ) ;
};

Description

impl public member functions

  1.  ( expr, , 
                    ) ;

    Returns the current expression.

    Parameters:

    expr

    The current expression.

    Returns:

    expr

    Throws:

    Will not throw.

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