 
 (defvar go-mode-map
   (let ((m (make-sparse-keymap)))
-    (define-key m "}" 'go-mode-insert-and-indent)
-    (define-key m ")" 'go-mode-insert-and-indent)
-    (define-key m "," 'go-mode-insert-and-indent)
-    (define-key m ":" 'go-mode-insert-and-indent)
-    (define-key m "=" 'go-mode-insert-and-indent)
-    (define-key m (kbd "C-c C-a") 'go-import-add)
-    (define-key m (kbd "C-c C-j") 'godef-jump)
-    (define-key m (kbd "C-x 4 C-c C-j") 'godef-jump-other-window)
-    (define-key m (kbd "C-c C-d") 'godef-describe)
+    (define-key m "}" #'go-mode-insert-and-indent)
+    (define-key m ")" #'go-mode-insert-and-indent)
+    (define-key m "," #'go-mode-insert-and-indent)
+    (define-key m ":" #'go-mode-insert-and-indent)
+    (define-key m "=" #'go-mode-insert-and-indent)
+    (define-key m (kbd "C-c C-a") #'go-import-add)
+    (define-key m (kbd "C-c C-j") #'godef-jump)
+    (define-key m (kbd "C-x 4 C-c C-j") #'godef-jump-other-window)
+    (define-key m (kbd "C-c C-d") #'godef-describe)
     m)
   "Keymap used by Go mode to implement electric keys.")
 

          (go--coverage-make-overlay range (cadr ranges-and-divisor))))

      (if (not (eq cur-buffer (current-buffer)))
          (display-buffer (current-buffer) 'display-buffer-reuse-window)))))

(provide 'go-mode)

for `find-tag':

\(add-hook 'go-mode-hook (lambda ()
                          (local-set-key (kbd \"M-.\") #'godef-jump)))

Please note that godef is an external dependency. You can install
it with
