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Rollup merge of #104595 - compiler-errors:poly-existential-predicate, r=lcnr

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Add `PolyExistentialPredicate` type alias

Wrapping `ExistentialPredicate`s in a binder is very common, and this alias already exists for the `PolyExistential{TraitRef,Projection}` types.
This commit is contained in:
Matthias Krüger
2022-11-21 14:11:11 +01:00
committed by GitHub
parent cc2397b2cd c36ff28d42
commit 844e3fb928
20 changed files with 48 additions and 53 deletions
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7
compiler/rustc_middle/src/ty/mod.rs
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@@ -94,9 +94,10 @@ pub use self::sty::{
BoundVariableKind, CanonicalPolyFnSig, ClosureSubsts, ClosureSubstsParts, ConstVid,
EarlyBoundRegion, ExistentialPredicate, ExistentialProjection, ExistentialTraitRef, FnSig,
FreeRegion, GenSig, GeneratorSubsts, GeneratorSubstsParts, InlineConstSubsts,
InlineConstSubstsParts, ParamConst, ParamTy, PolyExistentialProjection,
PolyExistentialTraitRef, PolyFnSig, PolyGenSig, PolyTraitRef, ProjectionTy, Region, RegionKind,
RegionVid, TraitRef, TyKind, TypeAndMut, UpvarSubsts, VarianceDiagInfo,
InlineConstSubstsParts, ParamConst, ParamTy, PolyExistentialPredicate,
PolyExistentialProjection, PolyExistentialTraitRef, PolyFnSig, PolyGenSig, PolyTraitRef,
ProjectionTy, Region, RegionKind, RegionVid, TraitRef, TyKind, TypeAndMut, UpvarSubsts,
VarianceDiagInfo,
};
pub use self::trait_def::TraitDef;