1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
\name{nextElem}
\alias{nextElem}
\alias{nextElem.containeriter}
\alias{nextElem.funiter}
\title{Get Next Element of Iterator}
\description{
\code{nextElem} is a generic function used to produce values. If a
\code{checkFunc} was specified to the constructor, the potential
iterated values will be passed to the \code{checkFunc} until the
\code{checkFunc} returns \code{TRUE}. When the iterator has no more
values, it calls stop with the message 'StopIteration'.
}
\usage{
nextElem(obj, \dots)
\method{nextElem}{containeriter}(obj, \dots)
\method{nextElem}{funiter}(obj, \dots)
}
\arguments{
\item{obj}{an iterator object.}
\item{\dots}{additional arguments that are ignored.}
}
\value{
The value.
}
\examples{
it <- iter(c('a', 'b', 'c'))
print(nextElem(it))
print(nextElem(it))
print(nextElem(it))
}
\keyword{methods}
|
