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ksol/gist:10987333

Created April 17, 2014 14:23
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gistfile1.txt
[ksol@Thrace] [1.8.7-p358 4.1.0 master] $ irb
irb(main):001:0> RUBY_VERSION
=> "1.8.7"
irb(main):002:0> hsh = {:a => 1}
=> {:a=>1}
irb(main):003:0> hsh[:a] = nil
=> nil
irb(main):004:0> hsh
=> {:a=>nil}
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