test.lox

fun makeFilter(min) {
    var filter = lambda () {print(min);};
    return filter;
}

var greaterThanX = makeFilter(5);
var greaterThanY = makeFilter(6);

greaterThanX();
greaterThanY();

var count = 3;

fun tick() {
  if (count > 0) {
    print count;
    count = count - 1;
    return false;
  }
  print "Blast off!";
  return true;
}

while (!tick()) {}

fun makeCounter() {
  var i = 0;
  var count = lambda () {
    i = i + 1;
    print i;
  };

  return count;
}

var counter = makeCounter();
for (var i = 0; i < 10; i = i + 1) {
  counter();
}


var repeat = lambda (f, n) : 
  n == 1 
  ? lambda (a) : f(a)
  : lambda (a) : repeat(f, n - 1)(f(a));

var addOne = (lambda (a) : a + 1);
print repeat(addOne, 1023)(1);

var fib = lambda (n):
  n == 1 or n == 0
  ? 1 
  : fib(n - 1) + fib(n - 2);

var recur = lambda (n):
  n == 0
  ? 1
  : n * recur(n - 1);

var upper = toint(scanin("Key in value of upper: "));
for (var k = 0; k < upper; k = k + 1) {
  //print fib(k);
  print recur(k);
}

var y = list(1,2,3,4,5,6,7,8);

for (var j = 1; j < length(y); j = j + 1) {
  updateAt(y, j, indexAt(y, j) + 1);
}

print y;

for (var j = 1; j < 10; j = j + 1) {
  append(y, fib(j));
}

print y;