var os.ErrExist

4 uses

	os (current package)
		error.go#L23: 	ErrExist      = fs.ErrExist      // "file already exists"
		error.go#L83: 	return underlyingErrorIs(err, ErrExist)
		tempfile.go#L49: 			return nil, &PathError{Op: "createtemp", Path: prefix + "*" + suffix, Err: ErrExist}
		tempfile.go#L102: 			return "", &PathError{Op: "mkdirtemp", Path: dir + string(PathSeparator) + prefix + "*" + suffix, Err: ErrExist}