Get the parents on a node

Get a list of the node ids of the parents of the provided node.

Usage

parents(graph, nodes)

Arguments

graph

A graph object

nodes

A character vector of nodes to find parents for

Value

A character vector

Examples

graph <- graph_builder() |>
  add_edge(from = "A", to = "B") |>
  build_directed()

graph |> parents("A")
#> # of nodes: 0
#> |           Nodes           |
#> 
graph |> parents("B")
#> # of nodes: 1
#> |           Nodes           |
#> |             A             |
#>