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Add units to Introduction chapter #3

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paulgoetze opened this issue Oct 24, 2015 · 0 comments

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paulgoetze commented Oct 24, 2015

It might be useful if there were additional units int the Introduction chapter in order to explain more fundamental things.

I thought about adding following ones:

(Almost) everything is an object (maybe after Hello world unit)
- Quick overview over the terms object, method, classes,
- how you can call methods,
- how you can create new instances of a class,
- what isn't an object in Ruby
Variable types (maybe after Assigning Data unit)
- local, global, class, instance variables
- how to define them

paulgoetze added the new unit label

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