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merge generalizer impls #111092

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lcnr opened this issue May 2, 2023 · 0 comments · Fixed by #111221
Closed

merge generalizer impls #111092

lcnr opened this issue May 2, 2023 · 0 comments · Fixed by #111221
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A-typesystem Area: The type system C-cleanup Category: PRs that clean code up or issues documenting cleanup. E-hard Call for participation: Hard difficulty. Experience needed to fix: A lot. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.

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@lcnr
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lcnr commented May 2, 2023

we currently have 3 different implementations of "generalization":

https://doc.rust-lang.org/nightly/nightly-rustc/rustc_infer/infer/combine/struct.Generalizer.html

https://doc.rust-lang.org/nightly/nightly-rustc/rustc_infer/infer/nll_relate/struct.TypeGeneralizer.html

https://doc.rust-lang.org/nightly/nightly-rustc/rustc_infer/infer/combine/struct.ConstInferUnifier.html

These 3 should have the same behavior and should be merged.

cc #109813 where we have to do the same change in each of the generalizers.
@lcnr lcnr added C-cleanup Category: PRs that clean code up or issues documenting cleanup. E-hard Call for participation: Hard difficulty. Experience needed to fix: A lot. labels May 2, 2023
@jyn514 jyn514 added T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. A-inference Area: Type inference labels May 2, 2023
@compiler-errors compiler-errors added A-typesystem Area: The type system T-types Relevant to the types team, which will review and decide on the PR/issue. and removed A-inference Area: Type inference labels May 2, 2023
@compiler-errors compiler-errors mentioned this issue May 4, 2023
Merged
@bors bors closed this as completed in ea54255 May 16, 2023
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A-typesystem Area: The type system C-cleanup Category: PRs that clean code up or issues documenting cleanup. E-hard Call for participation: Hard difficulty. Experience needed to fix: A lot. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
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Combine three generalizer implementations compiler-errors/rust
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@compiler-errors @jyn514 @lcnr