The Trunk: Morphic-kfr.930.mcz

Hey Karl

On 26.04.2015, at 05:56, [hidden email] wrote:

> Karl Ramberg uploaded a new version of Morphic to project The Trunk:
> http://source.squeak.org/trunk/Morphic-kfr.930.mcz
>
> ==================== Summary ====================
>
> Name: Morphic-kfr.930
> Author: kfr
> Time: 26 April 2015, 7:56:20.732 am
> UUID: 719010c7-4822-d540-842d-0091f1df654d
> Ancestors: Morphic-kfr.929
>
> Added a missing semicolon
>
> =============== Diff against Morphic-kfr.929 ===============
>
> Item was changed:
> ----- Method: LayoutProperties>>stringWithLayout (in category 'table defaults') -----
> stringWithLayout
>       | defaultValues uniqueValues |
>       defaultValues := TableLayoutProperties new.
>       uniqueValues := self class allInstVarNames
>               select: [:title | (self instVarNamed: title)
>                                       ~= (defaultValues instVarNamed: title)].
>       ^ String
>               streamContents: [:aStream |
> +                     aStream nextPutAll: 'TableLayout new; '.
> -                     aStream nextPutAll: 'TableLayout new '.

can you explain why this is necessary?
Why should subsequent messages go to the class instead of the instance?

Best regards
        -Tobias

>                       uniqueValues
>                               do: [:title | aStream nextPutAll: title;
>                                                nextPut: $:;
>                                                space;
>
>                                               print: (self instVarNamed: title).
>                                               (title = uniqueValues last)
>                                               ifTrue:[ aStream nextPut:$.]
>                                               ifFalse:[ aStream nextPut: $;; cr]
>                                               ]]!
>
>