list iterator不可增量 [英] list iterator not incrementable

问题描述

我有一个旧项目，是使用visual studio 2003构建的，我最近重新编译它与vs2005。但是，在运行时，我得到以下错误：

I have an old project that was built using visual studio 2003 and I recompiled it with vs2005 recently. However, during runtime, I get the following error:

列表迭代器不可递增

我跟踪程序此函数：

void InputQueue::update()
{
    list<PCB>::iterator iter;
    list<PCB>::iterator iterTemp;
    for(iter = begin(); iter != end(); iter++)
    {
    	if(iter->arrivalTime == 0)
    	{			
    		ReadyQueue::getInstance()->add(*iter);
    		iterTemp = iter;
    		iter++;
    		erase(iterTemp);
    	}
    }
}

专家，这是VS调试器得到我。

I'm not a C++ expert and this is as far as the VS debugger got me. Could somebody explain to me what the problem is?

感谢

推荐答案

我将重写你的循环如下：

I would re-write your loop to be like the following:

while (iter != end())
{
  if (iter->arrivalTime == 0)
  {
    ReadyQueue::getInstance()->add(*iter);
    iter = erase(iter);
  }
  else
  {
    ++iter;
  }
}

现在您正在循环检查每个索引。

Now you are correctly looping through the list checking every index.

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