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Struct template unary_plus

boost::proto::unary_plus — A metafunction for generating unary plus expression types, a grammar element for matching unary plus expressions, and a PrimitiveTransform that dispatches to the proto::pass_through<> transform.

Synopsis

template<typename T> 
struct unary_plus :  proto::transform< unary_plus<T> > {
  // types
  typedef proto::expr< proto::tag::unary_plus, proto::list1< T > > type;           
  typedef type                                                     proto_base_expr;
  template<typename Expr, typename State, typename Data> 
  struct impl :
     proto::pass_through<unary_plus>::template impl<Expr, State, Data>
  {
  };
};

Description


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