On Fri, Sep 26, 2014 at 9:34 AM, Nicolas Cellier <
nicolas.cellier.aka.nice at gmail.com> wrote:

> So you rely on (nil value -> nil).
> Will (is) the difference be still significant in Spur?
>

Spur won't change that.  Spur shouldn't change visible semantics at all
beyond v asCharacter == v asCharacter is always true.


> 2014-09-26 17:11 GMT+02:00 <commits at source.squeak.org>:
>
> Levente Uzonyi uploaded a new version of Morphic to project The Trunk:
>> http://source.squeak.org/trunk/Morphic-ul.744.mcz
>>
>> ==================== Summary ====================
>>
>> Name: Morphic-ul.744
>> Author: ul
>> Time: 22 September 2014, 7:45:55.442 pm
>> UUID: 78178a2f-f249-4767-8429-f8236e1459bc
>> Ancestors: Morphic-cmm.743
>>
>> - sped up #valueOfProperty:ifAbsent: and friends
>>
>> =============== Diff against Morphic-cmm.743 ===============
>>
>> Item was changed:
>>   ----- Method: Morph>>valueOfProperty:ifAbsent: (in category 'accessing
>> - properties') -----
>>   valueOfProperty: aSymbol ifAbsent: aBlock
>>         "if the receiver possesses a property of the given name, answer
>>         its value. If not then evaluate aBlock and answer the result of
>>         this block evaluation"
>> +
>> +       extension ifNil: [ ^aBlock value ].
>> +       ^extension      valueOfProperty: aSymbol ifAbsent: aBlock!
>> -       ^ extension
>> -               ifNotNil: [extension valueOfProperty: aSymbol ifAbsent:
>> aBlock]
>> -               ifNil: [aBlock value]!
>>
>> Item was changed:
>>   ----- Method: MorphExtension>>layoutFrame (in category 'accessing -
>> layout properties') -----
>>   layoutFrame
>> +       ^self valueOfProperty: #layoutFrame!
>> -       ^self valueOfProperty: #layoutFrame ifAbsent:[nil]!
>>
>> Item was changed:
>>   ----- Method: MorphExtension>>layoutPolicy (in category 'accessing -
>> layout properties') -----
>>   layoutPolicy
>> +       ^self valueOfProperty: #layoutPolicy!
>> -       ^self valueOfProperty: #layoutPolicy ifAbsent:[nil]!
>>
>> Item was changed:
>>   ----- Method: MorphExtension>>layoutProperties (in category 'accessing
>> - layout properties') -----
>>   layoutProperties
>> +       ^self valueOfProperty: #layoutProperties!
>> -       ^self valueOfProperty: #layoutProperties ifAbsent:[nil]!
>>
>> Item was changed:
>>   ----- Method: MorphExtension>>valueOfProperty: (in category 'accessing
>> - other properties') -----
>>   valueOfProperty: aSymbol
>>   "answer the value of the receiver's property named aSymbol"
>> +
>> +       ^otherProperties ifNotNil: [ otherProperties at: aSymbol
>> ifAbsent: nil ]!
>> -       ^ self
>> -               valueOfProperty: aSymbol
>> -               ifAbsent: []!
>>
>> Item was changed:
>>   ----- Method: MorphExtension>>valueOfProperty:ifAbsent: (in category
>> 'accessing - other properties') -----
>>   valueOfProperty: aSymbol ifAbsent: aBlock
>>         "if the receiver possesses a property of the given name, answer
>>         its value. If not then evaluate aBlock and answer the result of
>>         this block evaluation"
>>         otherProperties ifNil: [^ aBlock value].
>> +       ^otherProperties at: aSymbol ifAbsent: aBlock!
>> -       ^ otherProperties at: aSymbol ifAbsent: [^ aBlock value]!
>>
>>
>>
>
>
>
>


-- 
best,
Eliot
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.squeakfoundation.org/pipermail/squeak-dev/attachments/20140926/2a8b3fb5/attachment.htm