dtolnay / dtolnay/syn

Parse guard patterns

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syntax
Dominant language
Rust
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Description

- RFC: https://github.com/rust-lang/rfcs/pull/3637
- Tracking issue: https://github.com/rust-lang/rust/issues/129967
- Feature gate: `#![feature(guard_patterns)]`

```rust
match user.subscription_plan() {
(Plan::Regular if user.credit() >= 100) | (Plan::Premium if user.credit() >= 80) => {...}
}
```

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