!7

sclass X {

  S value;

  *() {}

  *(S *value) {}

}

p {

  Hasher<X> hasher = new Hasher<X>() {

    public int hashCode(X o) { ret _hashCode(o.value); }

    public bool equals(X a, X b) { ret a == null ? b == null : b != null && eq(a.value, b.value); }

  };

  WeakHasherMap<X, Bool> map = new(hasher);

  X x1 = X("hello");

  map.put(x1, true);

  gc();

  assertTrue(map.get(new X("hello")));

  assertNull(map.get(new X("world")));

  assertSame(x1, map.findKey(new X("hello")));

  assertNull(map.findKey(new X("world")));

  print("OK");

}