#pragma once

template <class T>
struct List {
    struct Container {
        T* t;
        Container* next;
        Container(T* t) : t(t) {}
    };

    Container* first;
    Container* last;

    void add(T* t) {
        Container* c = new Container{t};
        first == nullptr ? first = c : last->next = c;
        last = c;
    }

};