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define-type for nullary function added by gahr on Thu Sep 21 10:28:06 2023

(import (chicken type))

(: nullary1 (--> string))
(define (nullary1) "foo")

(: nullary2 (procedure () string))
(define (nullary2) "bar")

(display (nullary1))
(display (nullary2))

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What's the one-argument procedure to check if a list is empty?
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