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rust/compiler/rustc_hir_analysis
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Matthias Krüger 26d4b1bfba
Rollup merge of #124106 - compiler-errors:tait-lifetime-dedup, r=oli-obk 
Don't repeatedly duplicate TAIT lifetimes for each subsequently nested TAIT

Make it so that nested TAITs inherit the lifetimes from their parent item, not their parent TAIT. This is because we don't need to re-duplicate lifetimes for nested TAITs over and over, since the only lifetimes they can capture are from the parent item anyways.

This mirrors how RPITs work. This is **not** a functional change that should be observable, since the whole point of duplicating lifetimes and marking the shadowed ones (and uncaptured ones) as bivariant is designed to *not* be observable.

r? oli-obk
2024-04-19 19:30:49 +02:00
..
src Rollup merge of #124106 - compiler-errors:tait-lifetime-dedup, r=oli-obk 2024-04-19 19:30:49 +02:00
Cargo.toml bump itertools to 0.12 2024-03-08 12:34:05 +03:00
messages.ftl More polishing 2024-04-15 16:45:48 -04:00
README.md rustc_typeck to rustc_hir_analysis 2022-09-27 10:37:23 +02:00

README.md

For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.