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20
Task/Null-object/Action-/null-object.action
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Task/Null-object/Action-/null-object.action
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TYPE Object=[
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BYTE byteData
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INT intData
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CARD cardData]
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PROC IsNull(Object POINTER ptr)
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IF ptr=0 THEN
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PrintE("Object is null")
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ELSE
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PrintE("Object is not null")
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FI
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RETURN
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PROC Main()
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Object a
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Object POINTER ptr1=a,ptr2=0
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IsNull(ptr1)
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IsNull(ptr2)
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RETURN
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