isNil

-wrong parameter ("Arma") defined!-1.00

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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

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

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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.