bjoernager/rust
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Implement negative bounds

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This commit is contained in:
Michael Goulet 2023-04-25 05:15:50 +00:00
parent 98c33e47a4
commit 6e01e910cb
33 changed files with 363 additions and 188 deletions
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4
compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
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@ -530,6 +530,10 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
associated_ty: Option<(&'static str, Ty<'tcx>)>,
mut body_id: LocalDefId,
) {
if trait_pred.skip_binder().polarity == ty::ImplPolarity::Negative {
return;
}
let trait_pred = self.resolve_numeric_literals_with_default(trait_pred);
let self_ty = trait_pred.skip_binder().self_ty();