### Type (Control+Enter) to run code!

### All code is compiled automatically.

​

let {Date, console} = global

​

let x = 4

​

def inc(x) do

  x + 1

end

​

console.log(Date())

console.log(inc(x))

​

  }

  function $add(a, b) {

    return $number(a) + $number(b);

  }

  function $number(x) {

    if (typeof x !== 'number') {

      throw new Error('not a number: ' + x);

    }

    return x;

  }

  function $argN(n, m) {

    if (m !== n) {

      throw new Error('expected ' + n + ' argument(s), got ' + m);

    }

  }

  var $global = (1, eval)('this');

  var $tmp = $global;

  if ($tmp != null && $tmp.Date !== undefined && $tmp.console !== undefined) {

    var Date = $tmp.Date;

    var console = $tmp.console;

  } else {

    throw new Error('destructuring failure');

  }

  var x = 4;

  var inc = function inc(x) {

    $argN(1, arguments.length);

    return $add(x, 1);

  };

  console.log(Date());

  console.log(inc(x));

}());

​