template <class R> class Dict { public: // 匹配key和condition,赋值给record bool match(const string &key, const string &condition, R &record); // 对每种类型的Record都会展开一次 private: map<string, R> dict; }; 幸运的是,我们词典的绝大部分操作都可以抽象出几类接口,因此可以只实现针对基类...
template <typename T, int MAXSIZE> class Stack { public: Stack():num_(0){}; void push(const T& value); void pop(); T top(); int size() const { return num_; }; bool empty() const { return num_ == 0; }; protected: T elem_[MAXSIZE]; int num_; }; template <typename ...
template <typename T>class Stack {private:std::vector<T> elems;public:void push(T const& elem) {elems.push_back(elem);}void pop() {assert(!elems.empty());elems.pop_back();}T top() const {assert(!elems.empty());return elems.back();}bool empty() const {return elems.empty();}}...
type_traits(1110): error C2139: 'D': an undefined class is not allowed as an argument to compiler intrinsic type trait '__is_base_of' ..\t331.cpp(14): note: see declaration of 'D' ..\t331.cpp(10): note: see reference to class template instantiation 'std::is_base_of<T,U>'...
template<class Key , class Val , class C = qMapCompare<Key>> Val & QMutableMapIterator< Key, Val, C >::value ( ) inline Returns a non-const reference to the value of the last item that was jumped over using one of the traversal methods. template<class Key , class Val , clas...
AudioFile<T>is defined inAudioFile.cpp-- a template class with explicit instantiations fordoubleandfloatinAudioFile.cpp. It comes fromthislibrary. And the needed symbol seems to be present inobjdump -t -C: 0000000000000000 w F .text._ZN9AudioFileIfE4loadENSt7__cxx1112basic_stringI...
nested class : 被嵌套的类(通常被译为嵌套类) class-type : 类对象 undefined:不确定 decay:退化 array-to-pointer:数组到指针 inclusion model:包含模型 other type:其他类型 explicit instantiation directive:显示实例化指示符 exporting template:导出模板 ...
然后 #include myClass 来自main.cpp 的unit-test project 的应用程序项目。然后,从 myClass 创建一个 myObject --- 并在该对象中调用一个函数。 编译时出现这个错误: undefined reference to `myObject::function' 但是,当将 #SOURCES applicationProjectPath/myClass.cpp 添加到单元测试项目的 .pro 文件中时...
"unresolved external symbol" error when accessing a static member of a template class inside a DLL “Error: type name is not allowed” message in editor but not during compile [ WinSocket 2 ] Flush socket [C\C++] - how get arrow keys(correctly) using getch()? [C\C++] - how put the...
type_traits(1110): error C2139: 'D': an undefined class is not allowed as an argument to compiler intrinsic type trait '__is_base_of' ..\t331.cpp(14): note: see declaration of 'D' ..\t331.cpp(10): note: see reference to class template instantiation 'std::is_base_of<T,U>'...