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/wtf.rb Secret

Created May 13, 2016 11:19
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wtf.rb
aliases = ['one', 'two']
aliases.concat(aliases.map {|e| e << "s"})
puts aliases
output:
ones
twos
ones
twos
aliases = ['one', 'two']
aliases.concat(aliases.clone.map {|e| e << "s"})
puts aliases
output:
ones
twos
ones
twos
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