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SamGerber-zz/universe.rb

Created December 9, 2015 06:45
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Setting Instance Variables Using an Attribute Writer
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universe.rb
class Universe
attr_writer :answer
end
universe = Universe.new # => #<Universe:0x007f9ac4572e78>
universe.instance_variables # => []
universe.answer = "42" # => "42"
universe.instance_variables # => [:@answer]
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