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beezeebly/gist:8173928

Created December 29, 2013 19:36
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Ruby: using a negative index to retrieve an element in an array
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gistfile1.rb
authors = ["Arthur Conan Doyle", "J.K. Rowling", "J.R.R. Tolkien", "Hanif Kureishi"]
authors[-4] # => "Arthur Conan Doyle"
authors[-3] # => "J.K. Rowling"
authors[-2] # => "J.R.R. Tolkien"
authors[-1] # => "Hanif Kureishi"
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