mk0x9

(defun ac-go-candidates ()
  (ac-go-autocomplete))

(defvar ac-source-go
  '((candidates . ac-go-candidates)
    (prefix . "\\.\\(.*\\)")
    (requires . 0)))

(defun ac-go-get-candidate-strings (tmpbuf)
  (split-string (with-current-buffer tmpbuf (buffer-string)) "\n"))