Nothing
print.summary.vertex.sort <- function(x, ...) {
# Print a summary of a vertex.sort object
# Args:
# x: a vertex.sort object
cat("Call:\n")
print(x$call)
cat("\nGraph description:\n")
print(x$graph_description)
cat("\nLayers description:\n")
print(x$layers_description)
cat("\nExcluded and disconnected nodes:\n")
print(x$excluded_disconnected_nodes)
}
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