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  1. class Port
  2.   attr_accessor :source, :target
  3.   def initialize
  4.     @source = Hash.new
  5.     @source.instance_variable_set(:@port, self)
  6.     @target = Hash.new
  7.     def @source.[]=(key, value)
  8.       if key == :precision 
  9.         @port.source[:offset]  = 10
  10.       end
  11.       super
  12.     end
  13.  
  14.   end
  15.  
  16.  
  17. end
  18.  
  19. port = Port.new
  20. port.source[:precision] = 10
  21.  
  22. puts port.source[:precision]
  23. puts port.source[:offset]
Success #stdin #stdout 0s 4760KB
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https://ideone.com/tTaqg
language:
Ruby (ruby 2.5.5)
created:
12 years ago
visibility:
public

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