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Created January 4, 2019 22:54
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console.rb
irb(main):001:0> RUBY_VERSION
=> "2.5.1"
irb(main):002:0> class Test
irb(main):003:1> def x; @x; end
irb(main):004:1> def x=(val); false && (x = val); end
irb(main):005:1> end
=> :x=
irb(main):006:0> t = Test.new
=> #<Test:0x00005570a2c46310>
irb(main):007:0> t.x
=> nil
irb(main):008:0> t.x = "HI THERE"
=> "HI THERE"
irb(main):009:0> t.x
=> nil
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