# UNASSIGNED

Updated: 11/30/2021, 7:00:45 PM
Created: 11/30/2021, 7:00:45 PM
Last Updated By: Jake Tuttle
Read Time: 1 minute(s)

# Description

The UNASSIGNED function allows a program to determine whether a variable has been assigned a value. It takes the general form:

UNASSIGNED(variable)
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Where:

variable is the name of variable used elsewhere in the program.

The function returns Boolean TRUE if variable has not yet been assigned a value. The function returns Boolean FALSE if variable has already been assigned a value.

An example of use is as:

IF UNASSIGNED(VAR1) THEN
    VAR1 = "Assigned now!"
    CRT VAR1
END ELSE
    CRT "I already have a value"
END
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See also: ASSIGNED

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