{"ast_node_type":"other","tokens":[{"end":25,"kind":"keyword","start":0,"text":"match"}]}
        match ty.kind() {
    fn probe_adt(&self, span: Span, ty: Ty<'tcx>) -> Option<ty::AdtDef<'tcx>> {
            ty::Adt(adt_def, _) => Some(*adt_def),