{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"//"}]}
        // the same across different ZST type arguments. We also asserted that the `self` is
        // SAFETY: `Ty` is `repr(C)` and `TyKind` is marked `repr(u8)` so that the layout is
        // not a `TyKind::Infer` so there is no risk of transmuting a `()` to `AmbigArg`.