Declaring an array inside a class, and setting its size with the constructor

Question

I haven\'t worked with c++ in a while, but I just started a project with it. This may not be possible, but Im trying to create a template class with an array that sets its s

Answer 1

std::vector is precisely the tool for this job:

template
class Tarray {
private:
    std::vector this_array;
public:
    Tarray(int s): this_array(s){
    }
    ~Tarray(){
    }
    T & operator[](int i){
        return this_array[i];
    }
};