reflect.Value.isNull

Checks if this reflect.Value is NULL.

Syntax

isNull( )
  RETURNS BOOLEAN

Usage

The isNull() method returns TRUE, if the reflect.Value object references a value that is NULL.

Example

IMPORT reflect
MAIN
    DEFINE s STRING
    LET s = "abc"
    IF reflect.Value.valueOf(s).isNull() THEN
        DISPLAY "s is null"
    ELSE
        DISPLAY "s is not null"
    END IF
END MAIN

Shows:

s is not null