Restore support for toolchains without $:literal matcher - Githubissues

dtolnay / quote

Rust quasi-quoting

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Restore support for toolchains without $:literal matcher #202

Closed dtolnay closed 2 years ago

dtolnay commented 2 years ago

The $:literal matcher in macro_rules stabilized in Rust 1.32: https://blog.rust-lang.org/2019/01/17/Rust-1.32.0.html#macro-improvements.