more simplification

main
Inga 🏳‍🌈 11 months ago
parent 5443e45700
commit 827d301949
  1. 35
      day01-easy/main.scm

@ -22,29 +22,32 @@
current
(reduce (cdr list) reducer (reducer current (car list)))))
(define (first-last-combine current rest)
(define (combine list combiner)
(if
(null? current)
rest
(null? (car list))
(cdr list)
(if
(null? rest)
current
(cons (car current) (cdr rest)))))
(null? (cdr list))
(car list)
(combiner (car list) (cdr list)))))
(define (sum numbers) (reduce numbers + 0))
(define (is-numeric-char char) (if (char-numeric? char) #t #f))
(define (first-last list predicate)
(if
(null? list)
'()
(first-last-combine
(if
(predicate (car list))
(cons (car list) (cons (car list) '()))
'())
(first-last (cdr list) predicate))))
(define (sum numbers) (reduce numbers + 0))
(define (is-numeric-char char) (if (char-numeric? char) #t #f))
(combine
(cons
(if
(predicate (car list))
(cons (car list) (cons (car list) '()))
'())
(first-last (cdr list) predicate))
(lambda (current rest)
(cons (car current) (cdr rest))))))
(define (solve-line line)
(

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