% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/operators.R
\name{graph.union}
\alias{graph.union}
\title{Union of graphs}
\usage{
graph.union(..., byname = "auto")
}
\arguments{
\item{...}{Graph objects or lists of graph objects.}

\item{byname}{A logical scalar, or the character scalar \code{auto}. Whether
to perform the operation based on symbolic vertex names. If it is
\code{auto}, that means \code{TRUE} if all graphs are named and \code{FALSE}
otherwise. A warning is generated if \code{auto} and some (but not all)
graphs are named.}
}
\description{
\ifelse{html}{\href{https://lifecycle.r-lib.org/articles/stages.html#deprecated}{\figure{lifecycle-deprecated.svg}{options: alt='[Deprecated]'}}}{\strong{[Deprecated]}}

\code{graph.union()} was renamed to \code{union.igraph()} to create a more
consistent API.
}
\keyword{internal}