rusftmt libfmt_macros

[mseri]

r? @nrc

[rust-highfive]

Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @nrc (or someone else) soon.

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[nrc]

Thanks for the PR! Could you remove the fixup, then r+.

[mseri]

@nrc reverted. Thanks for the review

[nrc]

Thanks!

@bors: r+

[bors]

📌 Commit 1454b42 has been approved by nrc