bjoernager/rust
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This commit is contained in:
Michael Goulet 2024-02-16 15:07:32 +00:00
parent a9dbf63087
commit f624d55ea7
3 changed files with 15 additions and 1 deletions
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6
compiler/rustc_trait_selection/src/traits/query/normalize.rs
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@ -37,6 +37,12 @@ impl<'cx, 'tcx> At<'cx, 'tcx> {
/// normalizing, but for now should be used only when we actually
/// know that normalization will succeed, since error reporting
/// and other details are still "under development".
///
/// This normalization should *only* be used when the projection does not
/// have possible ambiguity or may not be well-formed.
///
/// After codegen, when lifetimes do not matter, it is preferable to instead
/// use [`TyCtxt::normalize_erasing_regions`], which wraps this procedure.
fn query_normalize<T>(self, value: T) -> Result<Normalized<'tcx, T>, NoSolution>
where
T: TypeFoldable<TyCtxt<'tcx>>,