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Sun, 15 Sep 2019 09:22:23 -0400
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)
> This is a query from over half a decade ago:
That's not exactly about meta-programming, but rather about a peliminary
step you may (or may not) need for some meta-programming tasks.
> I want to redefine functions by manipulating the pre-existing
> function; is there any way to do this?
Yes, of course. For example `advice-add` lets you do that.
> I'd rather not just copy the whole function definition into my init.el file
> just to change one LOC;
> maybe there's a better way of doing this part instead?
Then it depends on the specifics:
- what line of code?
- is the function usually compiled?
- is the source code available?
- is there a way to get that result differently?