[squeak-dev] The Trunk: Collections-ar.123.mcz

Nicolas Cellier nicolas.cellier.aka.nice at gmail.com
Wed Sep 2 14:39:18 UTC 2009


2009/9/1 Bert Freudenberg <bert at freudenbergs.de>:
>
> On 01.09.2009, at 13:51, Nicolas Cellier wrote:
>
>> 2009/9/1 Bert Freudenberg <bert at freudenbergs.de>:
>>>
>>> On 01.09.2009, at 11:37, Nicolas Cellier wrote:
>>>
>>>> 2009/9/1  <commits at source.squeak.org>:
>>>>>
>>>>> Andreas Raab uploaded a new version of Collections to project The
>>>>> Trunk:
>>>>> http://source.squeak.org/trunk/Collections-ar.123.mcz
>>>>>
>>>>> ==================== Summary ====================
>>>>>
>>>>> Name: Collections-ar.123
>>>>> Author: ar
>>>>> Time: 1 September 2009, 12:38:06 pm
>>>>> UUID: e7432274-e18a-1e43-a002-f3ab261bd465
>>>>> Ancestors: Collections-tfel.122
>>>>>
>>>>> Some fixes for RWBinaryOrTextStream which was too agressive optimizing
>>>>> some paths. Also fixes Character>>codePoint: which has no reason to
>>>>> raise an
>>>>> exception for values > 256.
>>>>>
>>>>
>>>> Don't know about the reason for such a limitation by just reading the
>>>> diff...
>>>> However, there was some insurance that a Character of value < 256
>>>> would be unique.
>>>> Doesn't this matter?
>>>
>>> #value: does this.
>>>
>>> - Bert -
>>>
>>
>> Does it mean #codePoint: is a low level (basic) creation message,
>> private and not to be used except in special circumstances like
>> creating the CharacterTable, while #value is the public API?
>>
>> Or does it mean any code using the ANSI protocol #codePoint: wont'
>> share the uniqueness property of #value:?
>>
>> The category and comment made me think it was the latter, thus my
>> question.
>>
>> Nicolas
>
> I don't understand. #codePoint: uses #value: so there is no difference.
>
> - Bert -
>

Thanks for your patience, I just realized it...

Nicoals

>>
>>>>
>>>>>  ----- Method: Character class>>codePoint: (in category 'instance
>>>>> creation') -----
>>>>>  codePoint: integer
>>>>> +       "Return a character whose encoding value is integer.
>>>>> +       For ansi compability."
>>>>> +       ^self value: integer!
>>>>> -       "Return a character whose encoding value is integer."
>>>>> -       #Fundmntl.
>>>>> -       (0 > integer or: [255 < integer])
>>>>> -               ifTrue: [self error: 'parameter out of range 0..255'].
>>>>> -       ^ CharacterTable at: integer + 1!
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>>
>>>
>>>
>>
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