Alternatives to `map!` macro for non-doom users?
reddit / emacs

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stuudente · 2022-01-24 02:58

Doom has been nice! Thanks for all the contributors! But I decide to
live independent to it. One immediate obstacle is the loss of the
mighty `map!` macro. What are some alternatives for undoomed+evil
users?

I've heard that `general.el` is quite good, but is it as powerful as
`map!`? And if so, are there some role-model configs to learn from?

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**EDIT** While `map!` is a macro built on top of general, it doesn't
seem to be thin.. [source](https://github.com/hlissner/doom-
emacs/blob/master/core/core-keybinds.el).

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todo-anonymize-self · 2022-01-24 03:05

`map!` is just a thin wrapper on top of `general.el`, so go with that.

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stuudente · 2022-01-24 03:33

Doesn't seem to be thin.. [source](https://github.com/hlissner/doom-
emacs/blob/master/core/core-keybinds.el).

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todo-anonymize-self · 2022-01-24 03:36

Yeah, it's a lot of shenanigans but it is technically thin as it ends
up just generating `general.el` sexprs and then evaluating them when
it's done.

Source: I wrote a thin wrapper on top of `map!`, then decided I should
make something useful for any Emacs, not just tied to Doom.

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7890yuiop · 2022-01-24 06:16

> I've heard that general.el is quite good, but is it as powerful as
map!

It's all `define-key` eventually, no?

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stuudente · 2022-01-24 14:07

Eventually it's all about byte codes too! Abstraction matters.

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stuudente · 2022-01-24 14:08

Cool. Do you know if one can easily use `map!` without doom?

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todo-anonymize-self · 2022-01-24 16:24

Mh. Good question; not sure; think so.

Probably just try copying `core-keybinds.el` and evaluating in vanilla
Emacs.

You'll need:

* `IS_MAC` and `IS_WINDOWS` \- tiny macros.
* ~~general.el~~ \- `core-keybinds.el` has the `use-package` for it
actually.
* `which-key`, maybe?
* `doom-lookup-key`
* Probably some more funcs/vars to track down but I don't think many.

Or you could look [here](https://github.com/hlissner/doom-
emacs/blob/c7753adbb301dcb647dc96d182c28b228551890e/core/core-
keybinds.el#L341) and macro expand pretty print (forget func name)
instead of macro expand eval the final `general.el` sexprs:
`(nreverse (delq nil doom--map-forms))`. And just take those with you
to normal `general.el`.

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7890yuiop · 2022-01-24 17:50

I just meant that the potential for "power" seems kinda limited, if
binding keys is the scope.