Index - O
| oneWayGrid | HGraph.Directed.Generator |
| optimalDecomposition | HGraph.Undirected.Solvers.Treedepth |
| outdegree | HGraph.Directed, HGraph.Directed.AdjacencyMap |
| outgoingArcs | HGraph.Directed, HGraph.Directed.AdjacencyMap |
| outneighbors | HGraph.Directed, HGraph.Directed.AdjacencyMap |