ted basically
Dog class>>newWhite "Returns a new white instance of receiver." ^self new color: Color white; yourself
is equivalent to
Dog class>>newWhite "Returns a new white instance of receiver.â
| instance | instance := self new. instance color: Color white;
^ instance
So this is really when you do not know what a subclass may do with reimplementing color: so yourself make sure that your extenders can be doing crazy things, your job is good. S.
On 2 Aug 2020, at 19:55, tbrunz <wild.ideas@gmail.com> wrote:
Got it. Seems like an important point for those who are trying to understand the difference between instances and classes.
I've gotten strange results myself until I learned that #yourself is an essential thing...
-t
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