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    What is a symbol in Ruby, and when should I use one instead of a string?

    A symbol is a name that Ruby keeps as one shared object, written with a colon like :name. Use a symbol for labels that identify something, such as hash keys...

    Ruby syntax and basicsOdile MarchettiStaff answer
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Poignant Guide Ruby Q&A. Questions and answers on learning Ruby and programming: syntax, blocks, objects, gems, Rails, debugging and reading the Poignant Guide.