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Yuki Okushi 2025-02-02 17:30:30 +09:00 committed by GitHub
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src/traits/implied-bounds.md
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@ -40,7 +40,7 @@ requirements of impls and functions as explicit predicates.
### using implicit implied bounds as assumptions ### using implicit implied bounds as assumptions
These bounds are not added to the `ParamEnv` of the affected item itself. For lexical These bounds are not added to the `ParamEnv` of the affected item itself. For lexical
region resolution they are added using [`fn OutlivesEnvironment::new`]. region resolution they are added using [`fn OutlivesEnvironment::from_normalized_bounds`].
Similarly, during MIR borrowck we add them using Similarly, during MIR borrowck we add them using
[`fn UniversalRegionRelationsBuilder::add_implied_bounds`]. [`fn UniversalRegionRelationsBuilder::add_implied_bounds`].
@ -55,7 +55,7 @@ The assumed outlives constraints for implicit bounds are computed using the
MIR borrowck adds the outlives constraints for both the normalized and unnormalized types, MIR borrowck adds the outlives constraints for both the normalized and unnormalized types,
lexical region resolution [only uses the unnormalized types][notnorm]. lexical region resolution [only uses the unnormalized types][notnorm].
[`fn OutlivesEnvironment::new`]: TODO [`fn OutlivesEnvironment::from_normalized_bounds`]: https://github.com/rust-lang/rust/blob/8239a37f9c0951a037cfc51763ea52a20e71e6bd/compiler/rustc_infer/src/infer/outlives/env.rs#L50-L55
[`fn UniversalRegionRelationsBuilder::add_implied_bounds`]: https://github.com/rust-lang/rust/blob/5b8bc568d28b2e922290c9a966b3231d0ce9398b/compiler/rustc_borrowck/src/type_check/free_region_relations.rs#L316 [`fn UniversalRegionRelationsBuilder::add_implied_bounds`]: https://github.com/rust-lang/rust/blob/5b8bc568d28b2e922290c9a966b3231d0ce9398b/compiler/rustc_borrowck/src/type_check/free_region_relations.rs#L316
[mir]: https://github.com/rust-lang/rust/blob/91cae1dcdcf1a31bd8a92e4a63793d65cfe289bb/compiler/rustc_borrowck/src/type_check/free_region_relations.rs#L258-L332 [mir]: https://github.com/rust-lang/rust/blob/91cae1dcdcf1a31bd8a92e4a63793d65cfe289bb/compiler/rustc_borrowck/src/type_check/free_region_relations.rs#L258-L332
[`fn assumed_wf_types`]: https://github.com/rust-lang/rust/blob/5b8bc568d28b2e922290c9a966b3231d0ce9398b/compiler/rustc_ty_utils/src/implied_bounds.rs#L21 [`fn assumed_wf_types`]: https://github.com/rust-lang/rust/blob/5b8bc568d28b2e922290c9a966b3231d0ce9398b/compiler/rustc_ty_utils/src/implied_bounds.rs#L21