bjoernager/rust
bjoernager/rust
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partially_normalize_... -> At::normalize

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This commit is contained in:
Michael Goulet 2022-11-25 17:11:15 +00:00
parent f12e772b83
commit fc710832ea
18 changed files with 58 additions and 93 deletions
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14
compiler/rustc_trait_selection/src/traits/project.rs
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@ -27,6 +27,7 @@ use rustc_errors::ErrorGuaranteed;
use rustc_hir::def::DefKind;
use rustc_hir::def_id::DefId;
use rustc_hir::lang_items::LangItem;
use rustc_infer::infer::at::At;
use rustc_infer::infer::resolve::OpportunisticRegionResolver;
use rustc_infer::traits::ImplSourceBuiltinData;
use rustc_middle::traits::select::OverflowError;
@ -48,6 +49,19 @@ pub type ProjectionTyObligation<'tcx> = Obligation<'tcx, ty::ProjectionTy<'tcx>>
pub(super) struct InProgress;
pub trait NormalizeExt<'tcx> {
fn normalize<T: TypeFoldable<'tcx>>(&self, t: T) -> InferOk<'tcx, T>;
}
impl<'tcx> NormalizeExt<'tcx> for At<'_, 'tcx> {
fn normalize<T: TypeFoldable<'tcx>>(&self, value: T) -> InferOk<'tcx, T> {
let mut selcx = SelectionContext::new(self.infcx);
let Normalized { value, obligations } =
normalize(&mut selcx, self.param_env, self.cause.clone(), value);
InferOk { value, obligations }
}
}
/// When attempting to resolve `<T as TraitRef>::Name` ...
#[derive(Debug)]
pub enum ProjectionError<'tcx> {