Metaclass messages
The class Metaclass provides protocol for accessing the metaclass's primary instance. 
Accessing
primaryInstance, primaryInstance: 
Note:
Needed to access the class that is the primary instance of the metaclass. 
 
Porting tip:
Not supported in Smalltalk/V. Objectworks\Smalltalk provides the accessor only, calling it soleInstance rather than primaryInstance. 
Last modified date: 01/29/2015