code: @SuppressWarnings("static-method")
  	public boolean isAssigned(final EObject object) {
  		assert object != null;
  		return object.eAdapters().contains(ASSIGNMENT_MARKER);
  	}
docs: Replies if the given object was marked as assigned within the current compilation unit.
  
  @param object the object to test.
  @return {@code true} if the object was written within the current compilation unit;
  {@code false} if is is not written within the current compilation unit.