vertexSet-class: Class "vertexSet"
Description
Class for vertex setsObjects from the Class
Objects can be created by calls of the form new("vertexSet", ...)
which admit short-hands of the form v(...).Extends
Class "character", from data part.
Class "vector", by class "character".Warning
The constructor will try to handle any vector input
by silently transforming it into a vector of unique sintactically valid names
obtained via make.names from the unique input elements.See Also
The short-hand v.