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What is a ValueHolder in VisualWorks?

April 26, 2017VisualWorks

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What is a ValueHolder in VisualWorks?

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A ValueHolder is a value model. It holds simple model objects like numbers, strings, etc.

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Ans. A ValueHolder is a value model. It holds simple model objects like numbers, strings, etc.

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Ans. A ValueHolder is a value model. It holds simple model objects like numbers, strings, etc. A ValueHolder is created by sending asValue message to any object or sending with: anObject to ValueHolder class anObject asValue. ValueHolder with: anObject A ValueHolder understands value/value: protocol. value message is used to access its value. value: anObject message is used to set its value to anObject.