2023年3月18日(土) 17:47 Jonathan Wakely <jwakely.gcc@gmail.com>:

> On Sat, 18 Mar 2023, 08:32 Raiki Tamura via Gcc, <gcc@gcc.gnu.org> wrote:
>
>> Thank you everyone for your advice.
>> Some kinds of names are restricted to unicode alphabetic/numeric in Rust.
>>
>
> Doesn't it use the same rules as C++, based on XID_Start and XID_Continue?
> That should already be supported.
>

Yes, C++ and Rust use the same rules for identifiers (described in UAX#31)
and we can reuse it in the lexer of gccrs.
I was talking about values of Rust's crate_name attributes, which only
allow Unicode alphabetic/numeric characters.
(Ref:
https://doc.rust-lang.org/reference/crates-and-source-files.html#the-crate_name-attribute
)

Raiki Tamura