1 class C {
2     mutable int m_member;
3     int m_other;
4 };
5 
6 class NonCopiable {
7     mutable int m_member;
8 
~NonCopiable()9     ~NonCopiable() {};
10 };
11 
12 class NonCopiableWithNonCopiableMutableMember {
13     mutable NonCopiable m_member;
14 };
15