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@alfie-max

alfie-max/hash.rb

Created October 31, 2017 14:49
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hash.rb
2.3.1 :031 > a = Hash.new([])
=> {}
2.3.1 :032 > a[:b]
=> []
2.3.1 :033 > a[:b].push(4)
=> [4]
2.3.1 :034 > a
=> {}
2.3.1 :035 > a[:b]
=> [4]
2.3.1 :036 >
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