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The first code comparison in that article compares Go error handling with doing a `catch Exception` in D. I don't find that a fair comparison; `catch Exception` for a block of code that can fail in different ways at different points is a bad practice.

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It depends. If you don't care about the specific error and just want to notify the failure up the stack or recovering is perfectly fine. A lot of Go code with the same intent just do a lot of "if err!=nil return err" which is the same but writing for every function call.

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