GNU bug report logs - #73452
Code lens support in eglot

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Message #8 received at submit <at> debbugs.gnu.org (full text, mbox):

From: João Távora <joaotavora <at> gmail.com>
To: Federico Beffa <federico.beffa <at> fbengineering.ch>
Cc: bug-gnu-emacs <at> gnu.org
Subject: Re: Code lens support in eglot
Date: Tue, 24 Sep 2024 15:26:55 +0100

There is a discussion thread about this in the Eglot GitHub downstream tracker.

https://github.com/joaotavora/eglot/pull/71

The current consensus there is that the feature is not _that_ useful,
and that a clean implementation isn't really trivial since there is no
underlying Emcas support structure (like there is for documentation,
cross-referencing, diagnostics, snippets, etc)

João

On Tue, Sep 24, 2024 at 3:02 PM Federico Beffa
<federico.beffa <at> fbengineering.ch> wrote:
>
> Hi,
>
> This is not a bug report, but rather an inquiry or feature request. I'm wondering if there are any plans for eglot to support code lens.
>
> These provide quite useful functionality. For example, the Haskell language server allows putting expressions (typically for test or documentation) in comments with a special syntax. The server then offers to execute the code (in VSCode appearing as a small button above the expression). When pressed, it inserts the result in a comment just below. Here's an example after execution:
>
> ```haskell
> addOne :: (Num a) => a -> a
> addOne x = x + 1
>
> -- >>> addOne 2
> -- 3
> ```
>
> Thanks for the great work!
> Fede



-- 
João Távora

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