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rust/compiler/rustc_hir_analysis
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bors b15e2c129e Auto merge of #101832 - compiler-errors:dyn-star-plus, r=eholk 
Make `dyn*` casts into a coercion, allow `dyn*` upcasting

I know that `dyn*` is likely not going to be a feature exposed to surface Rust, but this makes it slightly more ergonomic to write tests for these types anyways. ... and this was just fun to implement anyways.

1. Make `dyn*` into a coercion instead of a cast
2. Enable `dyn*` upcasting since we basically get it for free
3. Simplify some of the cast checking code since we're using the coercion path now

r? `@eholk` but feel free to reassign
cc `@nikomatsakis` and `@tmandry` who might care about making `dyn*` casts into a coercion
2022-10-15 07:36:38 +00:00
..
src Auto merge of #101832 - compiler-errors:dyn-star-plus, r=eholk 2022-10-15 07:36:38 +00:00
Cargo.toml Rewrite representability 2022-10-07 09:33:46 -05:00
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.