Nice blog, another very useful crate to use when working with proc-macro is https://github.com/dtolnay/prettyplease https://github.com/dtolnay/prettyplease, for

Nice blog, another very useful crate to use when working with proc-macro is https://github.com/dtolnay/prettyplease https://github.com/dtolnay/prettyplease, for formatting generated code (very useful for debugging!), that does not bails out like rustfmt sometimes does.