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Variable Nullify Method

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Mar 26, 2009
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In one of the Hive tutorials, it says that a variable can be nullified by apointing to something that comes out with no value. Examples:
UNIT VARIABLE:
Set Unit = No Unit

ANOTHER FORM OF UNIT VARIABLE:
Set Unit = Dying Unit (In this case, if there is nothing comes out as "dying unit" it should be nullified automatically)

POINT VARIABLE
instead of "call udg loc" custom script line, using this:
Set Location = (Center of No region)
That should come up with no value and it will nullfy the variable. Can you verify all of this information?
 
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