template <typename T>void print(T v){T::iterator itor;for (itor = v.begin(); itor != v.end(); ++itor){cout << *itor << " ";}cout << endl;} void main(int argc, char **argv){ list<int> l; l.push_back(1); l.push_front(2); if(!l.empty()) print(l); vector...
2)模板类型是一个容器或类 1template <typename T>2voidprint(T v)3{4T::iterator itor;5for(itor = v.begin(); itor != v.end(); ++itor)6{7cout << *itor <<"";8}9cout <<endl;10}1112voidmain(intargc,char**argv)13{14list<int>l;15l.push_back(1);16l.push_front(2);17if...
inttotal=sum(1,2,3,4,5);// 结果为 15 print模板 template<typenameT>voidprint(Tvalue){std::cout<<value<<std::endl;}template<typenameT,typename...Args>voidprint(Tfirst,Args...rest){std::cout<<first<<" ";print(rest...);} 调用 print(1,2.5,"Hello",'A');// 输出:1 2.5 Hello ...
template<typename T, typename... Types> void print (T const& firstArg, Types const&... args){ std::cout << firstArg << ’\n’; if constexpr(sizeof...(args) > 0) { print(args...);// code only available if sizeof...(args)>0 (since C++17) } } 这里,若只对一个参数调用...
template < typename T> 类 解释: template---声明创建模板。 typename---表明其后面的符号是一种数据类型,可以用class代替。 T---通用的数据类型,名称可以替换,通常为大写字母。 类模板与函数模板的区别主要有两点: 1、类模板没有没有自动类型推导的使用方式,只能用显示指定类型 2、类模板...
template<typenameT>voidprint(T value){ std::cout << value << std::endl; }template<>voidprint(intvalue){ std::cout <<"Specialized: "<< value << std::endl; }voidprint(doublevalue){ std::cout <<"Non-template: "<< value << std::endl; ...
template<typename T> void Swap( T& left, T& right) { T temp = left; left = right; right = temp; } 1. 2. 3. 4. 5. 6. 7. 使用模版定义一个取较大值函数 template <typename T> T getMax(T a, T b) { return a > b ? a : b; ...
void print(std::ostream & out) const;protected: std::vector<T> elem_;};template <typename T>void Stack<T>::push(const T &value){ elem_.push_back(value);}template <typename T>void Stack<T>::pop(){ elem_.pop_back();}template <typename T>T Stack<T>::top(){ return elem_.back...
template <typename T, typename U> class MyPair { public: MyPair(T first, U second); // . . . private: T a_; U b_; }; Another example is thestd::map<K, V>class template, an associative STL container covered in“Associative Containers”. Templates can also involve compile-time int...
template <typename T> class TypeToID { public: static int const NotID = -2; }; template <> class TypeToID<float> { public: static int const ID = 1; }; void PrintID() { cout << "ID of float: " << TypeToID<float>::ID << endl; // Print "1" cout << "NotID of float...