introduce enter_forall

2024-01-30 01:27:06 +00:00 · 2024-01-30 01:27:06 +00:00 · ac559af98f
commit ac559af98f
parent af88f7db51
15 changed files with 524 additions and 446 deletions
--- a/compiler/rustc_middle/src/ty/sty.rs
+++ b/compiler/rustc_middle/src/ty/sty.rs
@ -1052,6 +1052,7 @@ impl<'tcx, T> Binder<'tcx, T> {
    where
        T: TypeVisitable<TyCtxt<'tcx>>,
    {
+        // `self.value` is equivalent to `self.skip_binder()`
        if self.value.has_escaping_bound_vars() { None } else { Some(self.skip_binder()) }
    }