vicious circle ༡། xx དཀའ་རྙོག་ལུ་གུ་རྒྱུད། ངན་པ་དགུ་འཁོར། = དཀའ་ངལ་གང་ཞིག་
So in the Go example, when x is 1, the case 1 block is executed, it's empty so nothing happens, and that's it.
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