[][src]Existential Type rustc::ty::sty::

existential type <'tcx>: : Iterator<Item = Ty<'tcx>> + 'tcx;
🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?