Method enqueue

benchmarks/dlib/queue/queue_kernel_2.h:261–286

        typename mem_manager
        >
    void queue_kernel_2<T,block_size,mem_manager>::
    enqueue (
        T& item
    )
    {
        if (queue_size == 0)
        {
            out = in = pool.allocate();
            in_pos = 0;
            out_pos = 0;
        }
        else if (in_pos >= block_size)
        {            
            in->next = pool.allocate();
            in_pos = 0;
            in = in->next;
        }

        exchange(item,in->item[in_pos]);
        ++in_pos;

        ++queue_size;

        // put the enumerator at the start
        reset();
    }

// ----------------------------------------------------------------------------------------