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% File src/library/methods/man/setSClass.Rd
% Part of the R package, http://www.R-project.org
% Copyright 1995-2007 R Core Development Team
% Distributed under GPL 2 or later
\name{makeClassRepresentation}
\alias{makeClassRepresentation}
\title{Create a Class Definition}
\description{
Constructs an object of class \code{\linkS4class{classRepresentation}}
to describe a particular class. Mostly a utility function, but you can
call it to create a class definition without assigning it, as
\code{\link{setClass}} would do.
}
\usage{
makeClassRepresentation(name, slots=list(), superClasses=character(),
prototype=NULL, package, validity, access,
version, sealed, virtual=NA, where)
}
\arguments{
\item{name}{character string name for the class}
\item{slots}{named list of slot classes as would be supplied to
\code{setClass}, but \emph{without} the unnamed arguments for
superClasses if any.}
\item{superClasses}{what classes does this class extend}
\item{prototype}{an object providing the default data for the class,
e.g, the result of a call to \code{\link{prototype}}.}
\item{package}{The character string name for the package in which
the class will be stored; see \code{\link{getPackageName}}.}
\item{validity}{Optional validity method. See
\code{\link{validObject}}, and the discussion of validity methods in
the reference.}
\item{access}{Access information. Not currently used.}
\item{version}{Optional version key for version control. Currently
generated, but not used.}
\item{sealed}{Is the class sealed? See \code{\link{setClass}}.}
\item{virtual}{Is this known to be a virtual class?}
\item{where}{The environment from which to look for class
definitions needed (e.g., for slots or superclasses). See the
discussion of this argument under \link{GenericFunctions}.}
}
\references{
Chambers, John M. (2008)
\emph{Software for Data Analysis: Programming with R}
Springer. (For the R version.)
Chambers, John M. (1998)
\emph{Programming with Data}
Springer (For the original S4 version.)
}
\seealso{
\code{\link{setClass}}
}
\keyword{programming}
\keyword{classes}
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