From: Dave Thomas <dave@...>
Date: 2006-08-13T04:41:36+09:00
Subject: Re: Pickaxe Question

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On Aug 12, 2006, at 14:21, Chris Gehlker wrote:

> If I understand this example correctly, we are supposed to assume  
> that the
> mapping of the instances of JukeboxButton to actual hardware  
> buttons happens, by magic, when we call the button initializer and  
> pass it the appropriate string with the super(label) message. But  
> if that's the case, I don't understand why button_pressed needs to  
> pass self as an argument to the @action.call message. It seems like  
> the songlist.start and songlist.pause methods just drop the argument.

Yeah, that's true. I don't need to pass it in: it was there from the  
original example, where the block could interrogate the state of the  
button. Sorry it was confusing.


Dave
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