Commit | Line | Data |
---|---|---|
679ae8f3 JB |
1 | #!/usr/bin/env newlisp |
2 | ||
3 | (setq L '(1 2 3)) | |
4 | (println (first L)) ; le premier élément | |
5 | (println (rest L)) ; la liste privée du premier élément | |
6 | (println (last L)) ; le dernier élément | |
7 | ||
8 | (println (rest '(1))) | |
9 | (println (rest '())) | |
10 | ; return an error: empty list | |
11 | ;(println (first '())) | |
12 | ;(println (last '())) | |
13 | ||
14 | (define (list-length a-list) | |
35984aac JB |
15 | (if a-list |
16 | (+ 1 (list-length (rest a-list))) | |
17 | 0)) | |
679ae8f3 JB |
18 | |
19 | (println (list-length L)) | |
20 | ||
b610b308 JB |
21 | (println (length L)) |
22 | ||
23 | type list ::= empty-list | first * list | |
24 | ||
25 | (setq x 1) | |
26 | (println (+ x 1)) | |
27 | ||
28 | (set 'x 1 'y 2) | |
35984aac JB |
29 | (let ((x 3) (y 4)) |
30 | (println x) | |
31 | (println (list x y))) | |
b610b308 JB |
32 | (println "x="x" y="y) |
33 | ||
34 | (setq x 3 y 4) | |
35 | (let ((x 1) (y 2)) | |
35984aac | 36 | (println "x="x" y="y)) |
b610b308 JB |
37 | (println "x="x" y="y) |
38 | ||
39 | (setq x 3 y 4) | |
40 | (let ((y 2)) | |
35984aac JB |
41 | (setq x 5 y 6) |
42 | (println "x="x" y="y)) | |
b610b308 JB |
43 | (println "x="x" y="y) |
44 | ||
679ae8f3 | 45 | (exit) |