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level error!

   account deposit: $100
was the message from the bank teller to the account, not from you :)



Do bank tellers, conceptually, think of themselves as telling accounts to add $100 to themselves? Or do they think of themselves as adding $100 to an account?


... when the bank teller's are software-driven entities, they might :)


Yes, I suppose it's the case that if the bank tellers are written in Smalltalk, the Smalltalk way of doing things make sense.


Yeah, you're supposed to say:

    bankTeller deposit: (100 dollars) in: myAccount.




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