35 lines
758 B
HTML
35 lines
758 B
HTML
|
<h2>Comments</h2>
|
||
|
<pre><code>; This is a comment</code></pre>
|
||
|
|
||
|
<h2>Booleans</h2>
|
||
|
<pre><code>#t
|
||
|
#f</code></pre>
|
||
|
|
||
|
<h2>Strings</h2>
|
||
|
<pre><code>"two \"quotes\" within"</code></pre>
|
||
|
|
||
|
<h2>Functions</h2>
|
||
|
<pre><code>(lambda (x) (+ x 3))
|
||
|
(apply vector 'a 'b '(c d e))
|
||
|
</code></pre>
|
||
|
|
||
|
<h2>Full example</h2>
|
||
|
<pre><code>;; Calculation of Hofstadter's male and female sequences as a list of pairs
|
||
|
|
||
|
(define (hofstadter-male-female n)
|
||
|
(letrec ((female (lambda (n)
|
||
|
(if (= n 0)
|
||
|
1
|
||
|
(- n (male (female (- n 1)))))))
|
||
|
(male (lambda (n)
|
||
|
(if (= n 0)
|
||
|
0
|
||
|
(- n (female (male (- n 1))))))))
|
||
|
(let loop ((i 0))
|
||
|
(if (> i n)
|
||
|
'()
|
||
|
(cons (cons (female i)
|
||
|
(male i))
|
||
|
(loop (+ i 1)))))))
|
||
|
|
||
|
(hofstadter-male-female 8)</code></pre>
|