{"ast_node_type":"variable","tokens":[{"end":92,"kind":"keyword","start":0,"text":"if"}]}
        if let Some((bits, targets)) = Body::try_const_mono_switchint(tcx, instance, self) {
    pub fn mono_successors(&self, tcx: TyCtxt<'tcx>, instance: Instance<'tcx>) -> Successors<'_> {
            targets.successors_for_value(bits)