curry.spn

function curry(fn) {
  let curry_argc = argc - 1;
  var curry_args = {};

  for var i = 0; i < curry_argc; i++ {
    curry_args[i] = #i;
  }

  return function() {
    for var i = 0; i < argc; i++ {
      curry_args[curry_argc + i] = #i;
    }

    return call(fn, curry_args);
  };
}

let addThree = curry(function(a, b, c, d) {
   return a + b + c + d;
}, 1, 2);

print(addThree(42, 3));