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I read that Ruby has a language featured called ‘labels’, how does that work?
Update:
I saw it at http://ruby.about.com/od/gems/qt/shorturl.htm where the author talks about a label at the bottom of the article with:
puts ShortURL.shorten('http://ruby.about.com', :lns)
Think the author meant to say symbols. You can read about them here, and the docs