The EMPTY? method of VPGL Language reports whether the target array has any elements or not.
EMPTY? takes 1 input and emits 1 output. Input 0 must be an array. EMPTY? emits T to output 0 if the array has no element, otheriwse emits NIL.
A Visual Programming Graphical Language
Data-Flow based, Objective and Event-Driven
The EMPTY? method of VPGL Language reports whether the target array has any elements or not.
EMPTY? takes 1 input and emits 1 output. Input 0 must be an array. EMPTY? emits T to output 0 if the array has no element, otheriwse emits NIL.