我正在尝试构建Tramonto fDFT包,但是.cpp文件出现了这样的错误: error: no match no‘operator<<’(操作数类型为‘std::ostream {akastd::basic_ostream}’和‘std::ostream {akastd::basic_ostream<
for (std::vector<Document>:: const_iterator it = v.begin(); it !‘作为'void::getName()’的'this‘参数传递,丢弃限定符-fpermissive cout << it->getName() << endl;
错误:不匹配'operator<<‘(操作数类型为'<