Method: Bmg::Algebra#union

Defined in:
lib/bmg/algebra.rb

#union(other, options = {}) ⇒ Object 



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# File 'lib/bmg/algebra.rb', line 196

def union(other, options = {})
  return self if other.is_a?(Relation::Empty)
  _union self.type.union(other.type), other, options
end