{"ast_node_type":"variable","tokens":[{"end":94,"kind":"keyword","start":0,"text":"let"}]}
            let (ptr, method) = crate::vtable::get_ptr_and_method_ref(fx, args[0].value, idx);
            let sig = clif_sig_from_fn_abi(fx.tcx, fx.target_config.default_call_conv, &fn_abi);