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A comment on Refining Ruby. Parent comment

Re:Refining Ruby by judofyr on Monday November 19, 2012 @02:16PM (#4805869)
Objective-C categories are just like monkey-patching in Ruby. You can have collision with categories in Obj-C just like in Ruby, you'll just get a compiler warning (maybe error).
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Re:Refining Ruby by lforooghian on Monday November 19, 2012 @02:30PM (#4805948)
As of the latest Xcode linker, you also get a linker warning (which is more important in this context).
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