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feat: Implement `feature(exhaustive_patterns)` from unstable Rust Closes #12753 Recognize Rust's unstable `#![feature(exhaustive_patterns)]` (RFC 1872). Allow omitting visibly uninhabited variants from `match` expressions when the feature is on. This adjusts match checking to the current implementation of the postponed RFC 1872 in rustc. |
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Cargo.toml |