Function
findEdge
Finds an edge.
Parameters
A graph. Types: Graph | |
A vertex descriptor. Types: VertexDescriptor | |
An edge label. Types: Alphabet | |
A vertex descriptor. Types: VertexDescriptor |
Return Values
An edge descriptor or 0 if edge is not present.
Note: In automatons there is always a valid edge descriptor but the target may be nil.
Types: EdgeDescriptor
Remarks
In an automaton an edge is uniquely defined by a vertex and a label.
In all other graphs two adjacent vertices uniquely define an edge.
If there are multiple edges between two vertices the behaviour is undefined.
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