examples/high.spl

   1 plus(x, y) {
   2         return x + y;
   3 }
   4
   5 fold(f, b, l) {
   6         var x = l;
   7         var acc = b;
   8         while(!isEmpty(l)){
   9                 acc = f(acc, x.hd);
  10                 x = x.tl;
  11         }
  12         return acc;
  13 }
  14
  15 main (){
  16         var a = 1 : 2 : [];
  17         var b = fold(plus, 0, a);
  18         print(b);
  19 }