The R Project SVN – R – Diff – /trunk/src/library/base/man/is.object.Rd



    removed, so this is a very efficient way to check if an object has a
    class attribute.  (S4 objects always should.)
 
    Note that typical basic (\sQuote{atomic}, see \code{\link{is.atomic}})
    \R vectors and arrays \code{x} are \emph{not} objects in the above
    sense as \code{\link{attributes}(x)} does \emph{not} contain \code{"class"}.
}
\arguments{
  \item{x}{object to be tested.}
}
\note{

Rev 84597	Rev 84603
Line 17...	Line 17...
17	`removed, so this is a very efficient way to check if an object has a`	17	`removed, so this is a very efficient way to check if an object has a`
18	`class attribute. (S4 objects always should.)`	18	`class attribute. (S4 objects always should.)`
19		19
20	`Note that typical basic (\sQuote{atomic}, see \code{\link{is.atomic}})`	20	`Note that typical basic (\sQuote{atomic}, see \code{\link{is.atomic}})`
21	`\R vectors and arrays \code{x} are \emph{not} objects in the above`	21	`\R vectors and arrays \code{x} are \emph{not} objects in the above`
22	`sense as \code{\link{attributes(x)}} does \emph{not} contain \code{"class"}.`	22	`sense as \code{\link{attributes}(x)} does \emph{not} contain \code{"class"}.`
23	`}`	23	`}`
24	`\arguments{`	24	`\arguments{`
25	`\item{x}{object to be tested.}`	25	`\item{x}{object to be tested.}`
26	`}`	26	`}`
27	`\note{`	27	`\note{`

The R Project SVN R

(root)/trunk/src/library/base/man/is.object.Rd @ 63243 – Rev 84597 → 84603