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std::basic_string::pop_back

性病：基本[医]弦乐：流行音乐[医]背

void pop_back(​(since C++11)

从字符串中移除最后一个字符。

相当于erase(size()-1, 1)，除非如果字符串是空的，则行为是未定义的。

参数

%280%29

返回值

%280%29

复杂性

常量。

例外

不会扔。

另见

push_backappends a character to the end (public member function)
eraseremoves characters (public member function)

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