private K apply(K term) { if (labelInfo.isFunction(term)) return term; List<K> items = IncompleteCellUtils.flattenCells(term); if (items.size() != 1) { return term; } K item = items.get(0); if (isCell(item)) { return term; } else if (item instanceof KRewrite) { final KRewrite rew = (KRewrite) item; if (Stream.concat( IncompleteCellUtils.flattenCells(rew.left()).stream(), IncompleteCellUtils.flattenCells(rew.right()).stream()) .anyMatch(this::isCell)) { return term; } } KLabel computation = cfg.getCellLabel(cfg.getComputationCell()); return IncompleteCellUtils.make(computation, false, item, true); }