private E unlinkLast()

in src/main/java/org/apache/commons/pool3/impl/LinkedBlockingDeque.java [1475:1494]

• 19 lines of code
• 3 McCabe index (conditional complexity)

    private E unlinkLast() {
        // assert lock.isHeldByCurrentThread();
        final Node<E> l = last;
        if (l == null) {
            return null;
        }
        final Node<E> p = l.prev;
        final E item = l.item;
        l.item = null;
        l.prev = l; // help GC
        last = p;
        if (p == null) {
            first = null;
        } else {
            p.next = null;
        }
        --count;
        notFull.signal();
        return item;
    }