yo.rb

	def (t = Object.new).yolo(other)
	puts other
	end
	t.yolo(2)
	# 2.1.6 :023 > t.yolo(2)
	# 2
	t = String.new("yolo")
	def t.to_s
	puts "other " + super
	end
	t.to_s
	# other yolo
	# => nil

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