The R Project SVN R

Rev

Rev 85925 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
42333 ripley 1 
% File src/library/methods/man/MethodWithNext-class.Rd
68948 ripley 2 
% Part of the R package, https://www.R-project.org
86513 maechler 3 
% Copyright 1995-2024 R Core Team
42333 ripley 4 
% Distributed under GPL 2 or later
5 
 
19087 jmc 6 
\name{MethodWithNext-class}
7 
\docType{class}
56186 murdoch 8 
\alias{MethodWithNext-class}
85925 hornik 9 
\title{Class \code{"MethodWithNext"} }
10 
\description{ Class of method definitions set up for \code{callNextMethod} }
19087 jmc 11 
\section{Objects from the Class}{
23531 hornik 12 
  Objects from this class are generated as a side-effect of calls to
13 
  \code{\link{callNextMethod}}.
19087 jmc 14 
}
15 
\section{Slots}{
16 
  \describe{
17 
    \item{\code{.Data}:}{Object of class \code{"function"}; the actual
18 
      function definition.}
19 
    \item{\code{nextMethod}:}{Object of class \code{"PossibleMethod"}
23531 hornik 20 
      the method to use in response to a \code{\link{callNextMethod}()}
21 
      call.}
19087 jmc 22 
    \item{\code{excluded}:}{Object of class \code{"list"}; one or more
23 
      signatures excluded in finding the next method. }
23531 hornik 24 
    \item{\code{target}:}{Object of class \code{"signature"}, from class
25 
      \code{"MethodDefinition"}}
26 
    \item{\code{defined}:}{Object of class \code{"signature"}, from
44751 maechler 27 
      class \code{"MethodDefinition"}}
39016 jmc 28 
      \item{\code{generic}:}{Object of class \code{"character"}; the function
44751 maechler 29 
        for which the method was created. }
19087 jmc 30 
  }
31 
}
32 
\section{Extends}{
23531 hornik 33 
  Class \code{"MethodDefinition"}, directly.\cr
34 
  Class \code{"function"}, from data part.\cr
35 
  Class \code{"PossibleMethod"}, by class \code{"MethodDefinition"}.\cr
86513 maechler 36 
  Class \code{"optionalMethod"}, by class \code{"MethodDefinition"}.
19087 jmc 37 
}
38 
\section{Methods}{
39 
  \describe{
40 
    \item{findNextMethod}{\code{signature(method = "MethodWithNext")}:
41 
      used internally by method dispatch. }
42 
    \item{show}{\code{signature(object = "MethodWithNext")} }
43 
  }
44 
}
45 
 
44751 maechler 46 
\seealso{  \code{\link{callNextMethod}}, and
47 
  class \code{\linkS4class{MethodDefinition}}.
48 
}
19087 jmc 49 
\keyword{classes}