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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< Expr, State, Data > {
  // types
  typedef Expr result_type;

  // public member functions
  Expr operator()(typename impl::expr_param, typename impl::state_param, 
                  typename impl::data_param) const;
};

Description

impl public member functions

  1. Expr operator()(typename impl::expr_param expr, typename impl::state_param, 
                    typename impl::data_param) const;

    Returns the current expression.

    Parameters:

    expr

    The current expression.

    Returns:

    expr

    Throws:

    Will not throw.

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