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Restore support for toolchains without $:literal matcher #202

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merged 1 commit into from Dec 27, 2021
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@dtolnay dtolnay commented Dec 27, 2021

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.

@dtolnay dtolnay merged commit 28fa00e into master Dec 27, 2021
@dtolnay dtolnay deleted the literal branch December 27, 2021 20:30
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