[Seaside] Re: [squeak-dev] Re: BlockClosure vs BlockContext
Randal L. Schwartz
merlyn at stonehenge.com
Wed Aug 4 14:38:29 UTC 2010
>>>>> "John" == John Chludzinski <john.chludzinski at gmail.com> writes:
John> When I try:
John> | block w z |
John> w := 3. z := 12.
John> block := [ Transcript show: w asString , ' ' , z asString; cr ].
John> w := 0. z := 1.
John> block value.
John> I get: 0 1. And NOT: 3 12, which are the values at the point of
John> How do I force the binding to (3 12)?
That's not how closures work. I would have expected 0 1 as well.
If you want 3 12, you need to not update the one and only w and z later
in the method.
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn at stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>
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