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Multiple evaluation in macro_rules! macro #78

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Hasnabruzzn opened this issue Aug 27, 2022 · 0 comments

Hasnabruzzn commented Aug 27, 2022

It would be great to have a chapter on the problem of double / multiple evaluation in macros (and how to avoid it).

My very first macro is the Rust version of the infamous MAX from the C world.

It would be nice if Rust wouldn't allow this or at least show a warning... but I guess this is not the proper place for this discussion.

Hasnabruzzn mentioned this issue

Rewrite the SyntaxExtension/Hygiene chapter #40

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