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A comment on Why is my Rust build so slow?. Parent comment

Re:Why is my Rust build so slow? by varajelle on Friday December 31, 2021 @08:53AM (#29748039)
it's a completely separate implementation of the parser

I wish that the proc_macro API from the compiler would do that instead.

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Re:Why is my Rust build so slow? by estebank on Friday December 31, 2021 @12:48PM (#29750463)
syn also let's you define your own parsers for non-Rust syntax, way beyond what rustc could provide.
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