The factorial Example

(define factorial-code
  '(lambda (n)
     (if (<= n 1)
         1
         (* n (factorial (- n 1))))))

function factorial(n:integer):integer;
   begin
      if n <= 1
         then 
              factorial := 1
         else 
              factorial := n * factorial(n - 1)

int factorial(int n) {
   {
      if (n <= 1)
              return(1);
         else 
              return(n * factorial(n - 1));;
   }}  // factorial

public static long factorial(long n) {
   {
      if (n <= 1)
              return(1);
         else 
              return(n * factorial(n - 1));;
   }}  // factorial

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