关于模板类中的模板函数的小问题

template<typename T>
class MyClass {
    T data;
public:
    void setData(T value) { data = value; }
    T getData() const { return data; }
};

template<typename T>
void myFunction(T value) {
    // do something with value
}

MyClass<int> intClass;
intClass.setData(42);
int value = intClass.getData();

myFunction<std::string>("Hello, world!");

template<typename T, int N>
class MyArray {
    T data[N];
public:
    void setData(int index, T value) { data[index] = value; }
    T getData(int index) const { return data[index]; }
};