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Implement for<> lifetime binder for closures #98705

Merged
merged 12 commits into from Jul 14, 2022
Merged

Implement for<> lifetime binder for closures #98705

merged 12 commits into from Jul 14, 2022

Commits on Jul 12, 2022

  1. Parse closure binders 

    This is first step in implementing RFC 3216.
- Parse `for<'a>` before closures in ast
  - Error in lowering
- Add `closure_lifetime_binder` feature
    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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  2. --bless tests

    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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  3. Comment out expr size check

    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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  4. Lower closure binders to hir & properly check them

    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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  5. make for<> in closures a possible place to suggest adding named lifetime

    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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  6. add test for implicit stuff in signatures of closures with for<>

    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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  7. Add LifetimeBinderKind::Closure

    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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  8. Add an indirection for closures in hir::ExprKind 

    This helps bring `hir::Expr` size down, `Closure` was the biggest
variant, especially after `for<>` additions.
    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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  9. Add back expr size checks

    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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  10. implement rustfmt formatting for for<> closure binders

    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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  11. Add rustfmt test for formatting for<> before closures

    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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  12. Fix clippy build

    @WaffleLapkin
    WaffleLapkin committed Jul 12, 2022
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