Extention library for petgraph.
This adds a specialized graph for lattice (or grid) based graph structures for petgraph.
This probides a smaller and faster graph than the general purpose petgraph::Graph
struct.
It can be used for path finding in tilemap based game.
This is for developing game, but it can be used for other purposes as well.
Needs const generics (rustc >= 1.51) to use const-generice-wrap
feature to fold ZST shape info.