Fcalva/cyclone
1
0
Fork 0
mirror of https://github.com/justinethier/cyclone.git synced 2025-07-08 05:27:33 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Added (flatten)

Browse source
This commit is contained in:
Justin Ethier 2016-08-06 18:54:18 -04:00
parent 5f88a68525
commit e044c362c2
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
scheme/cyclone/util.sld
View file

@ -40,6 +40,7 @@
gensym
delete
delete-duplicates
flatten
list-index2
list-insert-at!
list-prefix?
@ -103,6 +104,11 @@
(if (eq? tail new-tail) lis (cons x new-tail)))))
(recur lis))
(define (flatten x)
(cond ((null? x) '())
((pair? x) (append (flatten (car x)) (flatten (cdr x))))
(else (list x))))
;; Insert obj at index k of list, increasing length of list by one.
(define (list-insert-at! lis obj k)
(cond