Description Usage Arguments Value See Also Examples
A vertex is adjacent is it is either a successor, or a predecessor.
1  | 
graph | 
 The graph.  | 
A named list of character vectors, the adjacent vertices for each vertex.
Other simple queries: edges,
order, vertices
1 2  | G <- graph(list(A = c("B", "C"), B = "C", C = "A"))
adjacent_vertices(G)
 | 
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