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\name{isAdjacent-methods}
\docType{methods}
\alias{isAdjacent-methods}
\alias{isAdjacent}
\title{Determine if nodes share an edge in a graph}
\usage{
isAdjacent(object, from, to, ...)
}
\arguments{
\item{object}{An instance of a subclass of \code{\link{graph-class}}.}
\item{from}{A \code{character} vector of nodes in the graph.}
\item{to}{A \code{character} vector of nodes in the graph}
\item{...}{May be used by methods called on subclasses of \code{graph}}
}
\description{
For a given subclass of \code{graph-class}, returns \code{TRUE} if the
graph contains an edge from node specified by \code{from} to the node
specified by \code{to}.
The appropriate logical vector will be returned as long as \code{from}
and \code{to} have the same length and contain nodes in the graph
object specified by \code{object}.
}
\keyword{methods}
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