initial
digraph
backup, not compiles
compiles, work. need clearing
big template {} added
node_idx -> node
PathElement EdgeDescr
unused template args removed
unused template args removed
NodeDescr came_from
unused template args removed
_idx removed
from -> start_from
from_idx -> from
goal_idx -> goal
some _idx removed
LF
isAvailable()
private
undirected graph adding