On Sat, 25 Sep 2010, Schwab,Wilhelm K wrote:
copy
"Answer another instance just like the receiver. Subclasses typically
override postCopy; they typically do not override shallowCopy. Copy is a template method
in the sense of Design Patterns. So do not override it. Override shallowCopy instead. Pay
attention that normally you should call postCopy of your superclass too."
It should be: Override postCopy instead.
Levente
^self shallowCopy postCopy
shallowCopy
"Answer a copy of the receiver which shares the receiver's instance
variables. It should never be overridden. I'm invoked from the copy template method.
Subclasses that need to specialize the copy should specialize the postCopy hook
method."
The references to #postCopy are probably valid, but the comments above can't
both be correct. Right??
Bill
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