摘要:
每个标准库容器类型都定义了一个名为 iterator 的成 员,这里的 iterator 与迭代器实际类型的含义相同。
for (vector::iterator iter = ivec.begin();iter != ivec.end(); ++iter)
*iter = 0; // set element to which iter refers to 0 阅读全文
摘要:
int ival = 1024;
int &refVal = ival; // ok: refVal refers to ival
int &refVal2; // error: a reference must be initialized
int &refVal3 = 10; // error: initializer must be an object 阅读全文