Subject: Re: bug#52147: Eager macro-expansion is not performed in `eval-and-compile' functions

From: Lars Ingebrigtsen <[email-masked]>
Date: Sat, 15 Jan 2022 14:10:32 +0100

Michael Heerdegen <[email-masked]> writes:

> Well we do, a bit,
>
>   (info "(elisp) How Programs Do Loading")
>
> says that loading a file performs eager macro expansion and that does
> speed up the resulting code.  `eval', `eval-when-compile' and
> `eval-and-compile' don't perform eager macro expansion.  I don't know to
> what degree this is on purpose.  But if a macro is defined later in the
> file or in another file that has not yet been loaded this may not be
> possible anyway.

It sounds to me like things are basically working as designed.

Perhaps Stefan has some comments; added to the CCs.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no