Emacs Perl 2019 (use-package cperl-mode auto-complete helm-perldoc)

lol.el

(use-package cperl-mode
  :ensure t
  :init
  (add-hook 'cperl-mode-hook 'flycheck-mode)
  (add-hook 'cperl-mode-hook 'auto-complete-mode)
  :mode ("\.pl$" . cperl-mode)
  :config
  ;; cperl-mode                                                                                     
  (setq cperl-indent-level 4
        cperl-continued-statement-offset 4
        cperl-close-paren-offset -4
        cperl-label-offset -4
        cperl-comment-column 40
        cperl-highlight-variables-indiscriminately t
        cperl-indent-parens-as-block t
        cperl-tab-always-indent nil
        cperl-font-lock t)
  (cperl-set-style "PerlStyle")
  ;; auto-complete                                                                                  
  (make-variable-buffer-local 'ac-sources)
  (setq ac-sources '(ac-source-perl-completion))
  (define-key ac-complete-mode-map "\C-n" 'ac-next)
  (define-key ac-complete-mode-map "\C-p" 'ac-previous)
  ;; helm-perldoc                                                                                   
  (helm-perldoc:setup)
  (define-key cperl-mode-map (kbd "C-c d") 'helm-perldoc))