{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"adt_def.non_enum_variant().fields[f].ty(tcx,"}]}
                    adt_def.non_enum_variant().fields[f].ty(tcx, args)
                ty::Adt(adt_def, args) if !adt_def.is_enum() => {
                }