!752

concepts.

concept A {
  S name;
  
  *() {}
  *(S *name) { change(); }
}

A > B {
  *() {}
  *(S name) { super(name); }
}

p {
  new A("hello");
  new B("yes");
  print(renderConcepts(assertLength(2, list(A))));
  print(renderConcepts(assertLength(1, list(B))));
}