diff options
| author | EuAndreh <eu@euandre.org> | 2025-04-18 02:17:12 -0300 |
|---|---|---|
| committer | EuAndreh <eu@euandre.org> | 2025-04-18 02:48:42 -0300 |
| commit | 020c1e77489b772f854bb3288b9c8d2818a6bf9d (patch) | |
| tree | 142aec725a52162a446ea7d947cb4347c9d573c9 /src/content/pastebins/2021/09/02 | |
| parent | Makefile: Remove security.txt.gz (diff) | |
| download | euandre.org-020c1e77489b772f854bb3288b9c8d2818a6bf9d.tar.gz euandre.org-020c1e77489b772f854bb3288b9c8d2818a6bf9d.tar.xz | |
git mv src/content/* src/content/en/
Diffstat (limited to 'src/content/pastebins/2021/09/02')
| -rw-r--r-- | src/content/pastebins/2021/09/02/sicp-3-19.adoc | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/src/content/pastebins/2021/09/02/sicp-3-19.adoc b/src/content/pastebins/2021/09/02/sicp-3-19.adoc deleted file mode 100644 index 166170f..0000000 --- a/src/content/pastebins/2021/09/02/sicp-3-19.adoc +++ /dev/null @@ -1,33 +0,0 @@ -= SICP exercise 3.19 -:categories: lisp programming-languages - -[source,scheme] ----- -(define (cycle? l) - (define (rec l x) - (cond - ((null? x) false) - ((eq? l x) true) - (true (rec l (cdr x))))) - (rec l (cdr l))) ----- - -Sample interactive session: - -[source,scheme] ----- -scheme@(guile-user)> (define true #t) -scheme@(guile-user)> (define false #f) -scheme@(guile-user)> -(define (cycle? l) - (define (rec l x) - (cond - ((null? x) false) - ((eq? l x) true) - (true (rec l (cdr x))))) - (rec l (cdr l))) -scheme@(guile-user)> (cycle? '(1 2 3)) -$9 = #f -scheme@(guile-user)> (cycle? (make-cycle '(1 2 3))) -$10 = #t ----- |