[Newbies] Populate a new array.
bert at freudenbergs.de
Sun Mar 11 12:30:29 UTC 2007
On Mar 11, 2007, at 10:40 , Blake wrote:
> Here's another one:
> I've created a method that returns an array of its own class:
> anArray: aQuantity
> | a |
> a := Array new: aQuantity.
> a size
> do: [:i | a at: i put: self class new].
> ^ a
> but, for a while, I was trying to make this a single line:
> ^ (Array new: aQuantity) do: [:item | item := stuff ]
> This doesn't work (I think) because "do" passes in a value rather
> than a reference. I didn't see how it could be done with
> withIndexDo: either.
> Wondering if I'm missing something.
^(1 to: aQuantity) collect: [:i | stuff]
- Bert -
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