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Dejargnonize subst

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Shoyu Vanilla 2024-02-12 15:39:32 +09:00
parent 084ce5bdb5
commit 3856df059e
128 changed files with 574 additions and 541 deletions
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6
compiler/rustc_trait_selection/src/traits/select/mod.rs
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@ -1684,7 +1684,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
/// Return `Yes` if the obligation's predicate type applies to the env_predicate, and
/// `No` if it does not. Return `Ambiguous` in the case that the projection type is a GAT,
/// and applying this env_predicate constrains any of the obligation's GAT substitutions.
/// and applying this env_predicate constrains any of the obligation's GAT parameters.
///
/// This behavior is a somewhat of a hack to prevent over-constraining inference variables
/// in cases like #91762.
@ -2673,7 +2673,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> {
}
/// Returns the obligations that are implied by instantiating an
/// impl or trait. The obligations are substituted and fully
/// impl or trait. The obligations are instantiated and fully
/// normalized. This is used when confirming an impl or default
/// impl.
#[instrument(level = "debug", skip(self, cause, param_env))]
@ -2698,7 +2698,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> {
// U: Iterator, U: Sized,
// V: Iterator, V: Sized,
// <U as Iterator>::Item: Copy
// When we substitute, say, `V => IntoIter<u32>, U => $0`, the last
// When we instantiate, say, `V => IntoIter<u32>, U => $0`, the last
// obligation will normalize to `<$0 as Iterator>::Item = $1` and
// `$1: Copy`, so we must ensure the obligations are emitted in
// that order.