GNU bug report logs - #61368
[PATCH] Extend go-ts-mode with support for pre-filling return statements

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Message #17 received at 61368 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Evgeni Kolev <evgenysw <at> gmail.com>
Cc: dev <at> rjt.dev, theo <at> thornhill.no, 61368 <at> debbugs.gnu.org
Subject: Re: bug#61368: [PATCH] Extend go-ts-mode with support for pre-filling
 return statements
Date: Thu, 09 Feb 2023 15:39:55 +0200

> From: Evgeni Kolev <evgenysw <at> gmail.com>
> Date: Thu, 9 Feb 2023 13:47:01 +0200
> Cc: 61368 <at> debbugs.gnu.org, dev <at> rjt.dev, theo <at> thornhill.no
> 
> > Instead of a command bound to a special key sequences, would it
> > perhaps make more sense to add some kind of "electric" behavior to
> > "normal" keys?  Like perhaps typing RET after inserting "return" would
> > add the "context-aware return statement"?  Then the user could turn on
> > the electric behavior with some minor mode, and get this behavior,
> > while avoiding the need to dedicate a key sequence.
> >
> > WDYT?
> 
> Makes sense. I am familiar with electric-pair-mode. I see that it adds
> a hook in post-self-insert-hook. Is your suggestion to do something
> like this:
> - add hook in post-self-insert-hook
> - in the hook check if RET is typed after an "return"
> - if yes, replace the "return" with the "context-aware return
> statement", possibly using (yas-expand-snippet)

Yes, something like that.  See electric.el for more examples.

> I'm wondering what customization options would make sense for users -
> changing the electric trigger from "return" RET to "ret" RET for
> example.
> 
> Is there another major mode which can be used as an example for such
> electric behavior?

Electric modes are usually minor modes that let major modes customize
them by setting variables.  Again, I think you will find examples in
electric.el.

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