cargo expand I have always struggled debugging procedural macros. Then I found this techniques: pub fn my_macro(input: TokenStream) -> TokenStream { ... let out: TokenStream = .... ; panic!("{}", out); out } The cool thing here is: when you want to actually use the macro, comment ou…

Proc macro debugging tricks

Yandros December 26, 2021, 3:20pm 6

Posted a bunch of tips over:

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