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| struct A {
explicit A(int u) { _u._u3 = u; }
A(const A &) = default;
virtual ~A() = default;
private:
union U {
char _u1;
short _u2;
int _u3;
};
A::U _u;
};
#pragma pack(push, 1)
template <int I> struct B : public virtual A {
B(char a, unsigned short b, int c) : A(a + b + c), _a(a), _b(b), _c(c) {}
private:
char _a;
unsigned short : 3;
unsigned short _b : 6;
unsigned short : 4;
int _c;
};
#pragma pack(pop)
#pragma pack(push, 16)
class C : private virtual B<0>, public virtual B<1>, private B<2>, public B<3> {
public:
C(char x, char y, char z)
: A(x - y + z), B<0>(x, y, z), B<1>(x * 2, y * 2, z * 2),
B<2>(x * 3, y * 3, z * 3), B<3>(x * 4, y * 4, z * 4), _x(x * 5),
_y(y * 5), _z(z * 5) {}
static int abc;
private:
int _x;
short _y;
char _z;
};
int C::abc = 123;
#pragma pack(pop)
class List {
public:
List() = default;
List(List *p, List *n, C v) : Prev(p), Next(n), Value(v) {}
private:
List *Prev = nullptr;
List *Next = nullptr;
C Value{1, 2, 3};
};
int main() {
List ls[16];
return 0;
}
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