It doesn't. Package imports are either relative to GOPATH, GOROOT, the vendor directory or to the current package path (e.g. `import "../sibling"`). This doesn

It doesn't. Package imports are either relative to GOPATH, GOROOT, the vendor directory or to the current package path (e.g. `import "../sibling"`). This doesn't restrict you to using a special path or a particular mode of organizing. Rather, it leaves much of that problem to the user, for better or for worse. It's perfectly fine to write programs with GOPATH unset.