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There is a big downside to structural typing as golang implements it though. Refactoring tools. They quite simply cannot do the same kinds of safe refactoring something like a Java refactoring tool can do, because you can't be sure if the function you are trying to rename, add parameter too, etc. is actually the same function in question.

There are times when I love the structural typing aspects of golang (trivial dependency inversion) and there are times when I hate it (nontrivial renames), its one of many trade-offs you have to be prepared for in golang.




I believe you can do renames with the oracle tool




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