Finds and returns an edge in a graph given two items.
capi
find-graph-edge graph from to => edge
graph⇩ |
A graph-pane. |
from⇩ |
An item in graph. |
to⇩ |
An item in graph. |
edge |
A graph edge, or nil . |
The generic function find-graph-edge
finds the edge in graph that goes from the node corresponding to from to the node corresponding to to.
If there is no such edge, find-graph-edge
returns nil
.
CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:32:42