bug#70465: [PATCH] Add font-locking rule for Rust function signatures

[Yuan Fu <casouri@gmail.com>]

Noah Peart <noah.v.peart@gmail.com> writes:

> Tags: patch
>
> Adds a rule to font-lock Rust function signatures and missing function
> modifier "default" to rust-ts-mode--keywords.
>
> The new rule adds font-locking to signatures as in the following
> example:
>
>     trait Foo {
>         fn foo() -> String;
> //            ^ font-lock-function-name-face
>     }

Thanks!

Eli, for this kind of small fix patches, should it go to emacs-29 or
master? I don’t think it’ll affect the stability of emacs-29, but in the
same time it isn’t an urgent bug either.

Yuan