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in-package search v0.2.0
Choose an element in a graph
module G : sig ... end
val choose_vertex : G.t -> G.vertex
choose_vertex g returns a vertex from the graph.
choose_vertex g
Invalid_argument
if the graph is empty.
val choose_edge : G.t -> G.edge
choose_edge g returns an edge from the graph.
choose_edge g
if the graph has no edge.