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Support associated type defaults #13693

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Veykril opened this issue Nov 29, 2022 · 1 comment
Open

Support associated type defaults #13693

Veykril opened this issue Nov 29, 2022 · 1 comment
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A-rustc issues regarding the rustc codebase and rustc private crates A-ty type system / type inference / traits / method resolution B-unstable unstable feature C-feature Category: feature request

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@Veykril
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Veykril commented Nov 29, 2022

We currently fail to fallback to them if the impl misses them which causes problems with rust-lang/rust's query system. cc https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Frust-analyzer/topic/rustc.20query.20types.20are.20not.20normalized.20since.20recently
@Veykril Veykril added A-ty type system / type inference / traits / method resolution A-rustc issues regarding the rustc codebase and rustc private crates B-unstable unstable feature labels Nov 29, 2022
@WaffleLapkin
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FYI: we've removed the use of associated type defaults from the compiler query engine in rust-lang/rust#105493, as a temporary fix. It would still be great if r-a could just™ support associated type defaults though.

@WaffleLapkin WaffleLapkin mentioned this issue Jan 23, 2023
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@Veykril Veykril added the C-feature Category: feature request label Feb 9, 2023
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A-rustc issues regarding the rustc codebase and rustc private crates A-ty type system / type inference / traits / method resolution B-unstable unstable feature C-feature Category: feature request
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