European Smalltalk User Group

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Iterators: Closures at Work

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• (1 2 3 4) do: [:each| Transcript show: each printString]

• 'abcd' do: [:each| Transcript show: each]

• (1 2 3 4) collect: [:each | each isOdd]

• (1 2 3 4) select: [:each | each isOdd]

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