% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/operators.R
\name{union}
\alias{union}
\title{Union of two or more sets}
\usage{
union(...)
}
\arguments{
\item{...}{Arguments, their number and interpretation depends on
the function that implements \code{union}.}
}
\value{
Depends on the function that implements this method.
}
\description{
This is an S3 generic function. See \code{methods("union")}
for the actual implementations for various S3 classes. Initially
it is implemented for igraph graphs and igraph vertex and edge
sequences. See
\code{\link{union.igraph}}, and
\code{\link{union.igraph.vs}}.
}
