I'm trying to understand precisely what sort of hygienic macros are provided by Rust. The reason I'm asking this question is that a search thru the literature, e.g. Clinge&Wand ( https://dl.acm.org/doi/10.1145/3386330 ) would indicate that there's been a TON of work in this area over the decades, and so, well, if one is to have a good idea of what Rust does, it had better be precise. I know I can RTSC, and I intend to do that if nothing else works, but I figured I'd ask if there's some precise reference, before executing that swan dive.
I don't know if there's an official reference for the precise hygiene rules of macros, which seems wrong?
There's also the non-official, but cited by the official Rust Book, "Little Book of Rust Macros", which has a lot more detail, especially on
macro_rules! macros: Hygiene - The Little Book of Rust Macros
Ahh, thank you! Now I remember I read that, but it just didn't .... stick with me. This time it will. You hit it in one!
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