Use this if you are using igraph from R
The $ operator is a shortcut to get and and set
graph attributes. It is shorter and just as readable as
graph_attr and set_graph_attr.
## S3 method for class 'igraph' x$name ## S3 replacement method for class 'igraph' x$name <- value
| x | An igraph graph | 
| name | Name of the attribute to get/set. | 
| value | New value of the graph attribute. | 
Other graph attributes: delete_edge_attr,
delete_graph_attr,
delete_vertex_attr,
edge_attr<-, edge_attr_names,
edge_attr, graph_attr<-,
graph_attr_names, graph_attr,
igraph-vs-attributes,
set_edge_attr,
set_graph_attr,
set_vertex_attr,
vertex_attr<-,
vertex_attr_names,
vertex_attr
g <- make_ring(10) g$name g$name <- "10-ring" g$name