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Raphael Meyer's answer to:
In looking at Ruby/Rails code, I often want to see where a method was defined to read the code and see what it does, but it's very hard to find, since it could come from anywhere in the app, or any of the included gems. In other languages an IDE often handles this for you, or there's a list of imports at the top of the file. What's the best way to jump around code and find where things are defined in Ruby?