diff options
Diffstat (limited to 'compiler/rustc_trait_selection/src/traits/query/type_op')
3 files changed, 5 insertions, 9 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs index 97002b461..9e8bc8bce 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs @@ -54,8 +54,8 @@ pub struct TypeOpOutput<'tcx, Op: TypeOp<'tcx>> { /// which produces the resulting query region constraints. /// /// [c]: https://rust-lang.github.io/chalk/book/canonical_queries/canonicalization.html -pub trait QueryTypeOp<'tcx>: fmt::Debug + Copy + TypeFoldable<'tcx> + 'tcx { - type QueryResponse: TypeFoldable<'tcx>; +pub trait QueryTypeOp<'tcx>: fmt::Debug + Copy + TypeFoldable<TyCtxt<'tcx>> + 'tcx { + type QueryResponse: TypeFoldable<TyCtxt<'tcx>>; /// Give query the option for a simple fast path that never /// actually hits the tcx cache lookup etc. Return `Some(r)` with diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/normalize.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/normalize.rs index 8f0b4de31..5b216c076 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/normalize.rs @@ -1,7 +1,7 @@ use crate::infer::canonical::{Canonical, CanonicalQueryResponse}; use crate::traits::query::Fallible; use rustc_middle::ty::fold::TypeFoldable; -use rustc_middle::ty::{self, Lift, ParamEnvAnd, Ty, TyCtxt}; +use rustc_middle::ty::{self, Lift, ParamEnvAnd, Ty, TyCtxt, TypeVisitableExt}; use std::fmt; pub use rustc_middle::traits::query::type_op::Normalize; @@ -24,7 +24,7 @@ where } } -pub trait Normalizable<'tcx>: fmt::Debug + TypeFoldable<'tcx> + Lift<'tcx> + Copy { +pub trait Normalizable<'tcx>: fmt::Debug + TypeFoldable<TyCtxt<'tcx>> + Lift<'tcx> + Copy { fn type_op_method( tcx: TyCtxt<'tcx>, canonicalized: Canonical<'tcx, ParamEnvAnd<'tcx, Normalize<Self>>>, diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/outlives.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/outlives.rs index 0d42cd825..21ef4e24f 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/outlives.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/outlives.rs @@ -21,11 +21,7 @@ impl<'tcx> super::QueryTypeOp<'tcx> for DropckOutlives<'tcx> { tcx: TyCtxt<'tcx>, key: &ParamEnvAnd<'tcx, Self>, ) -> Option<Self::QueryResponse> { - if trivial_dropck_outlives(tcx, key.value.dropped_ty) { - Some(DropckOutlivesResult::default()) - } else { - None - } + trivial_dropck_outlives(tcx, key.value.dropped_ty).then(DropckOutlivesResult::default) } fn perform_query( |