def add(x, y)
{
  return x + y;
}

var b = bind(add, 2, _);
var c = bind(b, 3);

print(b(4));
print(c());


def concat(a,b,c,d)
{
  return to_string(a) + to_string(b) + to_string(c) + to_string(d);
}

var d = bind(concat, _, " Hello ", _, " World ");
print(d(1, 3));
//This checks to make sure arity is handled correctly:
//print(d(1, 3, 4));