[Pharo-users] What are immediate subclass and word variable subclass?

[Alexandre Bergel]

Hi!

I have stumbled on:

Float immediateSubclass: #SmallFloat64
        instanceVariableNames: ''
        classVariableNames: ''
        package: 'Kernel-Numbers’


Float variableWordSubclass: #BoxedFloat64
        instanceVariableNames: ''
        classVariableNames: ''
        package: 'Kernel-Numbers’


What are immediate subclass and word variable?

Cheers,
Alexandre

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Alexandre Bergel  http://www.bergel.eu
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