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| Object>>chain | |
| ^ ChainProxy new setTarget: self | |
| ChainProxy>>doesNotUnderstand: aMessage | |
| target := aMessage sendTo: target. | |
| ^ target | |
| ChainProxy>>setTarget: anObject | |
| target := anObject. | |
| ^ self | |
| "Example" | |
| #(apple peach banana) chain | |
| groupedBy: #size; | |
| select: [:each | each size even]; | |
| values; | |
| collect: #asCommaString. |
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