{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"ty::FnPtr(..)"}]}
            ty::FnPtr(..) => Some(CastTy::FnPtr),
            ty::RawPtr(ty, mutbl) => Some(CastTy::Ptr(ty::TypeAndMut { ty, mutbl })),
            _ => None,