Method: Map.intersection

Defined in:
lib/map.rb

.intersection(a, b) ⇒ Object 



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# File 'lib/map.rb', line 172

def intersection(a, b)
  a, b, i = Map.for(a), Map.for(b), Map.new
  a.depth_first_each{|key, val| i.set(key, val) if b.has?(key)}
  i
end