private static <T> boolean isRemoved(Operation<T> operation, List<Operation<T>> removedList) {
        for (Operation<T> removed : removedList) {
            if (removed.tombstoneMatcher.match(operation.t)) {
                return true;
            }
        }
        return false;
    }
Reverse iterate the list

@param func accept a list element, return break loop mark.
metadata/src/main/java/org/apache/kafka/image/DeltaList.java