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assertion, comment

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Michael Goulet 2023-07-13 18:27:40 +00:00
parent 4bcca3294a
commit 1ef85d82e0
1 changed files with 4 additions and 0 deletions
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4
compiler/rustc_trait_selection/src/solve/normalize.rs
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@ -20,11 +20,15 @@ pub(crate) fn deeply_normalize<'tcx, T: TypeFoldable<TyCtxt<'tcx>>>(
at: At<'_, 'tcx>,
value: T,
) -> Result<T, Vec<FulfillmentError<'tcx>>> {
assert!(!value.has_escaping_bound_vars());
deeply_normalize_with_skipped_universes(at, value, vec![])
}
/// Deeply normalize all aliases in `value`. This does not handle inference and expects
/// its input to be already fully resolved.
///
/// Additionally takes a list of universes which represents the binders which have been
/// entered before passing `value` to the function.
pub(crate) fn deeply_normalize_with_skipped_universes<'tcx, T: TypeFoldable<TyCtxt<'tcx>>>(
at: At<'_, 'tcx>,
value: T,