TStr GetFlagStr(const TGraphFlag& GraphFlag) {
static THash<TInt, TStr> GraphFlagToStrH;
if (GraphFlagToStrH.Empty()) {
GraphFlagToStrH.AddDat((int) gfUndef, "Undef");
GraphFlagToStrH.AddDat((int) gfDirected, "Directed");
GraphFlagToStrH.AddDat((int) gfMultiGraph, "MultiGraph");
GraphFlagToStrH.AddDat((int) gfNodeDat, "NodeDat");
GraphFlagToStrH.AddDat((int) gfEdgeDat, "EdgeDat");
GraphFlagToStrH.AddDat((int) gfSources, "Sources");
}
return GraphFlagToStrH.GetDat((int) GraphFlag);
}
