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author | EuAndreh <eu@euandre.org> | 2025-04-18 02:17:12 -0300 |
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committer | EuAndreh <eu@euandre.org> | 2025-04-18 02:48:42 -0300 |
commit | 020c1e77489b772f854bb3288b9c8d2818a6bf9d (patch) | |
tree | 142aec725a52162a446ea7d947cb4347c9d573c9 /src/content/pastebins/2021/06/08 | |
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/2021/06/08')
-rw-r--r-- | src/content/pastebins/2021/06/08/reading-session-pt1.adoc | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/src/content/pastebins/2021/06/08/reading-session-pt1.adoc b/src/content/pastebins/2021/06/08/reading-session-pt1.adoc deleted file mode 100644 index d9f1f91..0000000 --- a/src/content/pastebins/2021/06/08/reading-session-pt1.adoc +++ /dev/null @@ -1,66 +0,0 @@ -= Debit Reading Session - SICP solutions pt.1 - -[source,scheme] ----- -;; 1.41 -(define (double f) - (lambda (x) - (f (f x)))) - - -:;; 1.42 -(define (compose f g) - (lambda (x) - (f (g x)))) - - -;;; 1.43 -(define (repeated f n) - (if (= 1 n) - identity - (comp (repeated f (dec n))))) - - -;;; 2.27 -(define (map-tree node-fn leaf-fn tree) - (cond - ((null? tree) tree) - ((not (pair? tree)) (leaf-fn tree)) - (else - (node-fn - (cons (map-tree node-fn leaf-fn (car tree)) - (map-tree node-fn leaf-fn (cdr tree))))))) - -(define (map-nodes f tree) - (map-tree f identity tree)) - -(define (deep-reverse x) - (map-nodes reverse x)) - - -;;; 2.28 -(define (flatten tree) - (define (rec acc t) - (cond - ((null? t) acc) - ((not (pair? t)) (cons t acc)) - (else - (rec (rec (cdr t) acc) - (car t))))) - (rec nil tree)) - - -;;; 2.30 -(define (square-tree tree) - (map-leaves square tree)) - - -;;; 2.31 -(define square-tree map-leaves) ; ha! - - -;;; 2.32 -TODO ----- - -FYI: I just typed those in, I didn't yet test them yet. |