isNil: Difference between revisions
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| Tests whether the expression result is undefined. Most common use is to check when a variable is undefined. The function returns true if the expression is undefined (i.e. the expression result is [[Void]] and false if it is defined. |= Description | | Tests whether the expression result is undefined. Most common use is to check when a variable is undefined. The function returns true if the expression is undefined (i.e. the expression result is [[Void]]) and false if it is defined. |= Description | ||
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Revision as of 10:14, 7 September 2007
Description
- Description:
- Tests whether the expression result is undefined. Most common use is to check when a variable is undefined. The function returns true if the expression is undefined (i.e. the expression result is Void) and false if it is defined.
- Groups:
- Uncategorised
Syntax
Examples
Additional Information
- See also:
- See also needed
Notes
-
Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note
Notes
- ColonelSandersLite
I recently had a strange experience with this command. I forgot to wrap the name of the variable with quotes, and it returned the opposite of the true null status of the variable. Just something to watch out for.