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Require a box expression's type to be Sized

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This commit is contained in:
Anton Golov 2021-08-20 16:25:52 +02:00
parent ba83b39d4e
commit b8fff95961
4 changed files with 7 additions and 3 deletions
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3
compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
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@ -2072,6 +2072,9 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
ObligationCauseCode::SizedYieldType => {
err.note("the yield type of a generator must have a statically known size");
}
ObligationCauseCode::SizedBoxType => {
err.note("the type of a box expression must have a statically known size");
}
ObligationCauseCode::AssignmentLhsSized => {
err.note("the left-hand-side of an assignment must have a statically known size");
}