An undirected graph with LONG node IDs. Supports node/edge insertion, removal, adjacency queries, and neighbor enumeration.
An undirected graph with LONG node IDs. Supports node/edge insertion, removal, adjacency queries, and neighbor enumeration.
Kind: Container | Category: H-Lib Native Containers
PBXB64 Status: AVAILABLE
PBXB64 Certification: [CERTIFIED TESTED]
This H-Lib container is implemented in native C support code and exposed through PBXB64 BASIC container syntax. The examples below are focused usage patterns; keep handles valid, release each container with its Final method, and check counts or return values when a method can fail.
| Method | Signature | Returns | Description |
|---|---|---|---|
| New | g.New | LNGRAPH | Allocate a new empty graph. |
| Final | g.Final | none | Free the graph. |
| Validate | g.Validate | LONG | Non-zero if the handle is valid. |
| Clear | g.Clear | none | Remove all nodes and edges. |
| Count | g.Count | LONG | Number of nodes in the graph. |
| Empty | g.Empty | LONG | Non-zero if the graph has no nodes. |
| AddNode | g.AddNode id | none | Add a node with the given ID. |
| AddEdge | g.AddEdge u, v | none | Add an undirected edge between two nodes. |
| RemoveNode | g.RemoveNode id | none | Remove a node and its incident edges. |
| RemoveEdge | g.RemoveEdge u, v | none | Remove an undirected edge. |
| HasEdge | g.HasEdge u, v | LONG | Non-zero if the edge exists. |
| Neighbors | g.Neighbors id | LNARR | Return a new LNARR of neighbor IDs. |
Validation evidence: H-Lib container behavior is exercised by registered BASIC container validation programs and the embedded H-Lib object set used by the single-EXE validation gate.
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LOCAL g AS LNGRAPH g = g.New g.AddNode 1 g.AddNode 2 g.AddEdge 1, 2 PRINT g.HasEdge(1, 2) ' non-zero g.Final