Klaas-Jan Stol wrote:

Suppose I would want to have my own custom representation of "None".

What should I do to have my child class be a singleton too? (just extending singleton as well?)

None isn't a singleton. But have a look at the Null PMC or better env.pmc.

$ grep singletion classes/*.pmc

(the way to create singletons might change though)

thanks for your help,
klaas-jan

leo


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