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agumonkey/array push aliasing.rb

Last active December 14, 2015 16:48
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array push aliasing.rb
irb(main):001:0> a = [1,2,3]
irb(main):001:0> a = [1,2,3]
=> [1, 2, 3]
irb(main):002:0> b = a << 4
b = a << 4
=> [1, 2, 3, 4]
irb(main):003:0> a
a
=> [1, 2, 3, 4]
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