int LinkedList::DoStuff()
{
Node *Current = next_;
while ( Current != NULL )
{
Current = Current->next_;
length_++;
}
// At the last iteration we have reached the end/tail/last node
return length_;
}
int LinkedList::DoStuff()
{
Node *Current
阅读背景：
从头到尾遍历（C ++ LL Q：1）
来源：互联网
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