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A comment on Rust: A Critical Retrospective. Parent comment

Re:Rust: A Critical Retrospective by inferiorhuman on Thursday May 19, 2022 @04:10PM (#31439564)
Procedural macros have a peek function from the syn crate. macro_rules macros can stuff this into the pattern matching.

e.g.

https://turreta.com/2019/12/24/pattern-matching-declarative-...

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Re:Rust: A Critical Retrospective by colejohnson66 on Friday May 20, 2022 @06:02PM (#31453070)
But proc macros are limited by requiring another crate (unless things have changed in the last year). Sure, it’s just one extra crate in the project, but why must I be forced to?
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Re:Rust: A Critical Retrospective by inferiorhuman on Saturday May 21, 2022 @04:23AM (#31456217)
Asked and answered in an adjacent comment.
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