Re: [PATCH v3] rust: introduce sfile macro for succinct code tracing

[Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>]

On Mon, Jun 16, 2025 at 5:37 PM Timur Tabi <ttabi@nvidia.com> wrote:
>
> After a little more trial an error, the compiler told me that the correct namespace is:
>
>             assert!(core::primitive::str::is_ascii(FILE));

Yeah, that looks fine since it comes from here:

    https://doc.rust-lang.org/core/primitive.char.html#method.is_ascii

(Please use `::core` within macros.)

> That works.  Do you want me to use this or just str::is_ascii?

`str` could in principle also be broken, e.g.:

    https://godbolt.org/z/Ysxnb1WPP

> Also, how do I add "-Z macro-backtrace" to the build?

You can use e.g.:

    make ... KRUSTFLAGS=-Zmacro-backtrace

I hope that helps!

Cheers,
Miguel