isNil

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Revision as of 11:17, 7 September 2007 by Suma (talk | contribs) (Clarified some more.)
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-wrong parameter ("Arma") defined!-1.00
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Description

Description:
Tests whether the variable defined by the String argument is undefined, or whether an expression result passed as Code is undefined. The function returns true if the variable is undefined or the expression result undefined (i.e. the expression result is Void), and false in all other cases.
Groups:
Uncategorised

Syntax

Syntax:
Boolean = isnil variable
Parameters:
variable: String or Code
Return Value:
Boolean

Examples

Example 1:
if (isnil ("_pokus")) then {_pokus=0;}

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.

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