persistable sclass ResolvableLASClass is IResolvableClass {

  transient ILASClassLoader lasClassLoader;

  LASClassDef classDef;

  *(ILASClassLoader *lasClassLoader, LASClassDef *classDef) {}

  public S resolveToClassName() {

    ret classDef.finalClassName();

  }

  Class resolvedClass() {

    ret classDef.resolvedClass;

  }

  public Class get aka resolveToClass() {

    if (resolvedClass() == null) {

      if (lasClassLoader == null)

        fail("Need LASClassLoader to define " + classDef.userGivenName);

      Class resolvedClass = lasClassLoader.defineLASClass(classDef.finalClassName(),

        -> classDef.toBytes());

      assertNotNull(+resolvedClass);

      // set resolvedClass & init static fields

      classDef.init(resolvedClass);

    }

    ret assertNotNull("resolvedClass", resolvedClass());

  }

  // This function is very defensive (doesn't resolve anything)

  toString {

    if (resolvedClass() != null)

      ret className(resolvedClass());

    try object userGivenName();

    if (classDef.classHash_cache != null)

      ret classDef.finalClassNameWithoutPrefix();

    ret or2(userGivenName(), "script-defined class")

      + " [unresolved]";

  }

  S userGivenName() { ret classDef.userGivenName; }

}