Closed dtolnay closed 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.
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.