template<classT>T GetMax(T a,T b) {returna>b?a:b; } GetMax(1,2);//正确GetMax(int,int);//错误template<classT>classpclass { ... }; pclass p1<int>;//正确pclass p2<2>;//错误template<intn>classpclass { ... }; pclass p1<2>;//正确pclass p2<int>;//错误 模板类的使用...
template <> class Blob<int> {typedef typename std::vector<int>::size_type size_type; Blob(); Blob(std::initializer_list<int> i1); int& operator[](size_type i);private:std::shared_ptr<std::vector<int>> data; void check(size_type i, const std::string &msg) const;}...
template<class T> //template<typename T> 也可以T Add(T x, T y){return x + y;}int main(){int a = 10;int b = 11;double c = 1.1;double d = 2.2;Add(a, b); // 生成整形模板Add(c, d); //生成double模板Add(a, d); // 编译报错,因为a是int,b是double,只有一个模板T,编译...
Stack<T>::Stack(int n):size(n>0 ? n:10),top(-1),stackPtr(new T[size]) { //empty body } template<class T> bool Stack<T>::push(const T &value) { if(!isFull()) { stackPtr[++top] = value; return true; } return false; } template<class T> bool Stack<T>::pop(T &val...
template<class T> class Stack { private: int size; int top; T *stackPtr; public: Stack(int = 10); ~Stack() { delete []stackPtr; } bool push(const T &); //push an element onto the stack bool pop(T &);//pop an element off the stack ...
template<classT=char>//缺省值为charT*func(int n){returnnewT[n];}intmain(){char*p=func('1');//此时不用函数模板显式实例化也可以了return0;} 模版的声明、定义可以分离 但是每个定义、声明前都要重新规定一下模版参数(的名称) 代码语言:javascript ...
// 指针类型特化 template <typename T> class Stack<T *> { public: void push(T *value); void pop(); T* top(); int size() const { elem_.size(); }; bool empty() const { return elem_.empty(); }; protected: std::vector<T *> elem_; }; template <typename T> void Stack<T...
publicclassUserEntityMapperimplementsRowMapper<UserEntityMapper>{ @Override publicUserEntitymapRow(ResultSetrs,introwNum)throwsSQLException{ UserEntityuser=newUserEntity(); user.setId(rs.getLong("id")); user.setName(rs.getString("name"));
specifications1.cpp template <class T, int i> class TestClass { public: char buffer[i]; T testFunc(T* p1 ); }; template <class T, int i> T TestClass<T,i>::testFunc(T* p1) { return *(p1++) }; // To create an instance of TestClass TestClass<char, 5> ClassInst; int ...
// template_specifications3.cpp #include <stdio.h> template <class T> struct str1 { T t; }; template <template<class A> class T> struct str2 { T<int> t; }; int main() { str2<str1> mystr2; mystr2.t.t = 5; printf_s("%d\n", mystr2.t.t); } ...