/usr/lib/depth.scm is in scheme9 2013.11.26-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 | ; Scheme 9 from Empty Space, Function Library
; By Nils M Holm, 2009
; Placed in the Public Domain
;
; (depth list) ==> integer
;
; Compute the depth of a list.
;
; Example: (depth '(a (b (c d (e))))) ==> 4
(define (depth a)
(if (pair? a)
(+ 1 (apply max (map depth a)))
0))
|