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I believe one of the first refactoring was for Smalltalk, so it's not impossible. These days you also have IDEs with basic refactoring support for Python, Ruby,

by joske2 16y ago

I believe one of the first refactoring was for Smalltalk, so it's not impossible. These days you also have IDEs with basic refactoring support for Python, Ruby, Javascript, Actionscript,.. from JetBrains.