{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"//"}]}
        // SAFETY: `Ty` is `repr(C)` and `TyKind` is marked `repr(u8)` so that the layout is
    pub fn as_unambig_ty(&self) -> &Ty<'hir> {
        // the same across different ZST type arguments.