FreeBirdLjj

#include <iostream>

#define REPL(expr)	std::cout << "> " << #expr << std::endl << (expr) << std::endl

int main()
{
	int a = 1, b = 2;
	REPL(a + b);
	// print out:
	//   > a + b

FreeBirdLjj

(define (y-combinator fn)
  ((lambda (func)
     (func func))
   (lambda (f)
     (fn (lambda args
           (apply (f f) args))))))

FreeBirdLjj

print "Hello, switch"

-- Suppose we want to write the equivalent lua code of the following c code:
-- switch (a) {
-- case 1:
--   printf("Case 1.\n");
--   break;
-- case 2:
--   printf("Case 2.\n");
--   break;