std::string s = std::to_string(str.size());
时间: 2023-11-15 10:04:29 浏览: 94
std::string s = std::to_string(str.size());这行代码将字符串str的长度转换为std::string类型的s。根据给出的代码片段,str是一个std::string类型的对象。std::string的size()函数返回字符串的长度,而std::to_string()函数将整数转换为std::string类型。因此,该行代码将字符串str的长度转换为std::string类型的s。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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