Re: yourself

Cédrick, Marcus,

Thank you so much for clarifying this for me. I downloaded the
lectures and they look great. I am sure I'll learn a lot from them. If
it is not asking for too much it would  be aweswome if there were mp3
audio files of the lectures to go with the slides. I downloaded the
Abelson Sussman lectures...
http://www.swiss.ai.mit.edu/classes/6.001/abelson-sussman-lectures/
which are fantastic as well...but for Scheme mostly.

Thanks again,

bakki

On 8/31/06, Marcus Denker <denker@xxxxxxxxxxxx> wrote:
> On 31.08.2006, at 17:35, Bakki Kudva wrote:
>
> > Hi,
> >
> > I'm a bit confused about y ourself. I understand that the definition
> > of yourself is ^self
> > But when I browse Object and look at yourself: all I find is the
> > description string..
> > "Answer self."
>
> > What happened to ^self? Where is the actual code implementing this?
> >
>
> self is the default return value. So if you return nothing special,
> the compiler
> will add a ^self at the end.
>
> A good rule is to make the ^self explicit as soon as it is important,
> thus
> for our lecture (#yourself is covered in 04:
> http://www.iam.unibe.ch/~scg/Teaching/Smalltalk/Slides/04Idioms.pdf )
>
> we changed the implementation of #yourself to be
>
> yourself
>         "Answer self."
>         ^self
>
> This is in 3.9
>
>      Marcus
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