with-eval-after-load with sh-mode

[lisa-asket]

>From: Arthur Miller <arthur.miller@live.com>
>To: lisa-asket@perso.be
>Subject: Re: with-eval-after-load with sh-mode
>Date: 02/07/2021 10:42:38 Europe/Paris
>Cc: help-gnu-emacs@gnu.org

>lisa-asket@perso.be writes:

>> How can I use `with-eval-after-load` with sh-mode?
>>
>> Basically I want to defer call to sh-mode-map until sh-mode is loaded
>>
>> (with-eval-after-load 'sh

>Try this:

>(with-eval-after-load 'sh-script
>(message "My cool one-time config follows here ..."))

>sh-mode is defined in lisp/progmodes/sh-script.el.



What is the difference between 



(with-eval-after-load 'sh-script

  (myfun))



and



(add-hook 'sh-mode-hook #'myfun)