is_graph_empty {DiagrammeR} | R Documentation |
Provides a logical value on whether the graph is empty (i.e., contains no nodes).
is_graph_empty(graph)
graph |
a graph object of class
|
a logical value.
# Create an empty graph graph <- create_graph() # Determine whether the graph is empty is_graph_empty(graph) #> [1] TRUE # Create a non-empty graph graph <- create_graph() %>% add_n_nodes(3) # Determine whether this graph is empty is_graph_empty(graph) #> [1] FALSE