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  1. (define (yoba-length xs)
  2.   (define (iter xs count)
  3.     (if (null? xs)
  4.         count
  5.         (iter (filter (lambda (x)
  6.                         (not (= x (car xs)))) xs)
  7.               (+ 1 count))))
  8.   (iter xs 0))
  9.  
  10. (display (yoba-length '(1 1 2 3 4 4 5)))
Success #stdin #stdout 0.03s 8616KB
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https://ideone.com/x4VMHx
language:
Scheme (guile 2.2.4)
created:
10 years ago
visibility:
secret

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