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bug#13021: 24.2.90; compile eval-after-load form

From: Christopher Schmidt
Subject: bug#13021: 24.2.90; compile eval-after-load form
Date: Wed, 28 Nov 2012 15:05:56 +0000 (GMT)

severity: wishlist

I think it is a good idea to compile the form that is passed to
eval-after-load.  The advantage is that one gets compiler warnings and
errors and the form itself is executed faster.

This is what I use:

    (defmacro eal (package &rest forms)
      (declare (indent 1) (debug t))
      `(,(if (if (symbolp package)
                 (require package nil t)
               (load package t t))
           (message "eal: cannot find %s" package)
        (eval-after-load ',package
          `(funcall (function ,(lambda () ,@forms))))))

This is what Michael (Heerdegen) uses:

    (defun-safe init-file-eval-after-load (file &rest forms)
      "Like `eval-after-load', but byte-compile FORMS before eval."
      (eval-after-load file `(let ((byte-compile-log-buffer "*Warnings*")
                                    (format "`init-file-eval-after-load': %s" 
                               (funcall (byte-compile (lambda () ,@forms))))))

Could vanilla eval-after-load be modified so it compiles the form?  I am
thinking of an optional third parameter, one that allows to either keep
the current behaviour (default), load the package & compile the form at
compile time or compile the form at run-time before evaling.



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