bool IIncidenceGraph <TVertex, TEdge> .ContainsEdge(TVertex source, TVertex target)
{
IIncidenceGraph <TVertex, TEdge> ithis = this;
Contract.Requires(source != null);
Contract.Requires(target != null);
Contract.Requires(ithis.ContainsVertex(source));
Contract.Requires(ithis.ContainsVertex(target));
return(default(bool));
}
bool IIncidenceGraph <TVertex, TEdge> .TryGetEdges(
TVertex source,
TVertex target,
out IEnumerable <TEdge> edges)
{
IIncidenceGraph <TVertex, TEdge> ithis = this;
Contract.Requires(source != null);
Contract.Requires(target != null);
Contract.Requires(ithis.ContainsVertex(source));
Contract.Requires(ithis.ContainsVertex(target));
edges = null;
return(default(bool));
}