const???
程序代码:void add(const Account* acc)
{
// 创建一个对象
Account* pnew = (Account*)malloc(sizeof(Account));
*pnew = *acc;
// 把新节点添加到链表中
pnew->next = m_head.next;
m_head.next = pnew;
}void add 函数 形参为什么加const???
程序代码:void add(const Account* acc)
{
// 创建一个对象
Account* pnew = (Account*)malloc(sizeof(Account));
*pnew = *acc;
// 把新节点添加到链表中
pnew->next = m_head.next;
m_head.next = pnew;
}
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2018-08-26 18:47