| 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 |