bjoernager/rust
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Parse closure binders

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This is first step in implementing RFC 3216.
- Parse `for<'a>` before closures in ast
  - Error in lowering
- Add `closure_lifetime_binder` feature
This commit is contained in:
Maybe Waffle 2022-06-02 20:15:05 +04:00
parent fbdb07f4e7
commit 40ae7b5b8e
24 changed files with 288 additions and 39 deletions
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2
compiler/rustc_feature/src/active.rs
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@ -331,6 +331,8 @@ declare_features! (
(active, cfg_target_thread_local, "1.7.0", Some(29594), None),
/// Allow conditional compilation depending on rust version
(active, cfg_version, "1.45.0", Some(64796), None),
/// Allows `for<...>` on closures and generators.
(active, closure_lifetime_binder, "1.64.0", Some(97362), None),
/// Allows `#[track_caller]` on closures and generators.
(active, closure_track_caller, "1.57.0", Some(87417), None),
/// Allows to use the `#[cmse_nonsecure_entry]` attribute.