1. Scheme
10
yadokarielectric
aka y14c | yad-EL

3. 100

5. Scheme

10. Hello World

11. C

12. int main()
{
printf(“Hello World!”);
return 0;
}

13. •()
• {}

14. Java

15. public class HelloWorld {
public static void main (String [] args) {
System.out.println(“Hello World!”);
}
}

16. •()
• {}
• []

17. Scheme

18. (display “Hello World!”)

21. •C
• Java

23. Scheme

25. Scheme

33. lambda

34. (lambda ( )( ))

38. .

39. • if
(lambda (p x y) (p x y))
• true
(lambda (x y) x)
• false
(lambda (x y) y)

40. .

41. Scheme

43. ((lambda (f)
((lambda (p)
(f (lambda (x) ((p p) x))))
(lambda (p)
(f (lambda (x) ((p p) x))))))
(lambda (f)
(f )))

46. Scheme

48. ((lambda (f)
((lambda (p)
(f (lambda (x) ((p p) x))))
(lambda (p)
(f (lambda (x) ((p p) x))))))
(lambda (f)
(lambda (n)
(((lambda (n) ((n (lambda (x) (lambda (x y) y)))
(lambda (x y) x))) n)
(lambda (c) (lambda (x) (c x)))
(lambda (c)
(lambda (x)
(((f (lambda (c)
(lambda (x)
(((n (lambda (g)
(lambda (h)
(h (g c))))) (lambda (u) x))
(lambda (u) u)))))
(n c)) x)))))))

51. lambda

53. Scheme
•
•

56. Scheme
10

61. (= #b10 2)

62. (= #b10 2)
#t

63. ↓
(= #b10 2)
#t