$trim Statement - Detach Objects

∟$trim Statement - Detach Objects

This section describes the $trim statement for detaching appended objects from the current object.

The $trim statement for detaching the last appended object from the current object using the following syntax:

$trim object_reference;

Examples of using $trim statements:

$class person: {
   $instance x: {
      x.name = "John";
	  $method x.changeName(newName): {
	     x.name = newName; 
	  }
   }
}

$class employee: {
   $instance x: {
      x.status = "Part-time";
	  $method x.changeStatus(newStatus): {
	     x.status = newStatus;
	  }
   }
}

e = employee();

$append e $with person();
e.changeName("Herong");
e.changeStatus("Full-time");

$trim e;
e.changeName("Yang"); # gets UnknowMethod error