EMPTY?
Syntax EMPTY? word 
EMPTY? list 
 
Explanation

EMPTY? reports TRUE if the input is the empty word (" or '') or the empty list ([]); otherwise, it reports FALSE.
 

Examples EMPTY? [3 26 56] 
Result: FALSE 
MAKE "FRUIT " 
EMPTY? :FRUIT 
Result: TRUE 
MAKE "FRUIT [PAPAYA] 
EMPTY? :FRUIT 
Result: FALSE 
EMPTY? BUTFIRST :FRUIT 
Result: TRUE 

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