[ENH] Singleton class

Norton, Chris chrisn at Kronos.com
Sat May 1 01:29:26 UTC 1999


	shaping at bigfoot.com [SMTP:shaping at bigfoot.com] said:

	>How about class method #only?

	Hi Shaping.

	The "Design Patterns Smalltalk Companion" book's example
implementation of Singleton uses 

	Singleton class>>current

	which is the same protocol that I've also used for years to
represent the single instance.

	---==> Chris

	PS>  More on "Design Patterns Smalltalk Comparison" can be found at:

	http://www.awl.com/cseng/swpatterns
 





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