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You may find Gudeman's "Representing Type Information in Dynamically Typed Languages" (http://citeseer.ist.psu.edu/viewdoc/summary?doi=10.1.1.39.4394 http://cit
by silentbicycle 15y ago
You may find Gudeman's "Representing Type Information in Dynamically Typed Languages" (http://citeseer.ist.psu.edu/viewdoc/summary?doi=10.1.1.39.4394 http://citeseer.ist.psu.edu/viewdoc/summary?doi=10.1.1.39.43...) interesting - it's an overview of type tagging strategies used in many dynamically typed languages. It's not specific to Ruby (it's from 1993), but gives more context to the methods Ruby uses.