Description Usage Arguments Details
Used with all_opt_gpv
and all_opt_ppv
to
unpack individual paths from the Dijkstra-format trees that
those functions return.
1 |
tree |
a Dijkstra-format tree returned by |
source |
an integer index corresponding to a node in |
target |
an integer index corresponding to a node in |
Returns NA
if a path does not exist
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