Yes, I want that in Squeak too !

Le ven. 1 mai 2020 à 18:58, Eliot Miranda <eliot.miranda at gmail.com> a
écrit :

> you might want to adapt this change set into a package, to rename
> BlockClosure's startups inst var to startpcOrMethod to clear up confusion.
>
>
>
> On Fri, May 1, 2020 at 9:49 AM Eliot Miranda <eliot.miranda at gmail.com>
> wrote:
>
>> Hi Max,
>>
>> On Thu, Apr 30, 2020 at 11:51 PM Max Leske <maxleske at gmail.com> wrote:
>>
>>> Hi Sean,
>>>
>>> You *need* an outer context. See Context>>cleanCopy, which Fuel uses to
>>> serialize blocks.
>>>
>>
>> One does *not* need an outer context.  An outer context of nil should be
>> fine, provided that the block never attempts an up-arrow return.
>>
>>
>> | blockMethod |
>> blockMethod := [:a :b| a < b] method.
>> (FullBlockClosure receiver: nil outerContext: nil method: blockMethod
>> copiedValues: nil) value: 1 value: 2
>>
>> So one needs to use FullBlockClosure
>> class>>receiver:outerContext:method:copiedValues: and one can supply nil
>> for the outerContext provided that the block does not do an up-arrow return.
>>
>>
>>> Cheers,
>>> Max
>>>
>>> On 1 May 2020, at 3:23, Sean P. DeNigris wrote:
>>>
>>> What am I not understanding about FullBlockClosure?
>>>
>>> I have a clean block that I'd like to turn into a FullBlockClosure so
>>> that I
>>> can serialize it without dragging (unneeded methods) into my object
>>> graph.
>>> However, documentation and in-image example usages seem severely limited.
>>> Here was one experiment that ended with a primitive failure. It seems
>>> like a
>>> receiver is needed and it can't be a dummy value (see commented
>>> "receiver:
>>> 1"). But what would the receiver be in the absence of an outer context?!
>>>
>>> aBlockClosure := [ :a :b | 1 + a + b ].
>>> fbc := (FullBlockClosure
>>> outerContext: nil
>>> startpc: aBlockClosure startpc
>>> numArgs: aBlockClosure argumentCount
>>> copiedValues: Array new) "receiver: 1; yourself".
>>>
>>> fbc value: 2 value: 3. "PrimitiveFailed: primitive #value:value: in
>>> FullBlockClosure failed"
>>>
>>>
>>>
>>> -----
>>> Cheers,
>>> Sean
>>> --
>>> Sent from:
>>> http://forum.world.st/Pharo-Smalltalk-Developers-f1294837.html
>>>
>>>
>>
>> --
>> _,,,^..^,,,_
>> best, Eliot
>>
>
>
> --
> _,,,^..^,,,_
> best, Eliot
>
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