Abstract type: Difference between revisions
Content added Content deleted
(No such concept in Apple II's BASICs or in Scratch) |
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var .items () |
var .items () |
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def .enstack(object) |
def .enstack(object) |
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.items |
setq .items (cons object .items) |
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def .destack() |
def .destack() |
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var tmp (car .items) |
var tmp (car .items) |
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.items |
setq .items (cdr .items) |
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tmp</lang> |
tmp</lang> |
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Now we can tag an object that conforms to the Interface: |
Now we can tag an object that conforms to the Interface: |
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