View Compilation Error

0_0_32349809_10254.cpp
0_0_32349809_10254.cpp(12) : error C3867: “std::basic_string<char,std::char_traits<char>,std::allocator<char>>::pop_back”:  函数调用缺少参数列表；请使用“&std::basic_string<char,std::char_traits<char>,std::allocator<char>>::pop_back”创建指向成员的指针