{"ast_node_type":"variable","tokens":[{"end":83,"kind":"keyword","start":0,"text":"let"}]}
            let args_span = args.span_ext.with_lo(args.span_ext.lo() - BytePos(2));
            // led to impossible spans and caused issues like #116473
            if tcx.generics_of(adt_def.did()).is_empty() {