Method: NetworkX::MultiGraph#number_of_edges

Defined in:: lib/networkx/multigraph.rb

#number_of_edges ⇒ `Object`

Returns number of edges

Examples:

graph.number_of_edges



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# File 'lib/networkx/multigraph.rb', line 85

def number_of_edges
  @adj.values.flat_map(&:values).map(&:length).inject(:+) / 2
end