WebHaving references doesn't solve the problem since you still need somewhere to store the objects, whether they're pointed to or referenced.. It's not so much arbitrary, just that there's no automatic memory management, unless you use smart pointers or DIY Web此函数用于查找以字节为单位的字符串长度。这是符合字符串内容的实际字节数,不一定等于存储容量。 length - 语法 复制代码 int len = s1 . length (); length - 返回值此函数以字节为单位返回整数值。此处,s1是字符串,strlen函数计算字符串s1的长度并将其值存储在len变量中。
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