1+2;
/* comment */
3;
let zero = 0;
zero + 2 * 20
/* other
comment */
- 8
/ 4;
("hello" + "," + "world");
if(2 < 4) 8;
if(2 > 4) 8;
if(2 > 4) 8 else "ok";
let z = 4;
(z + 10) * 3;
let helloworld = "Hello, World!";
len("xyz" + helloworld) + 1;
print(12);
print(42, "42", 73, "73");

fun myprint3(x, y, z) = print(x, y, z);
myprint3(1, 2, 3);

let u = 2;
fun test(x, t, gr) = 42 * x + z + 7;
let v = 9;
test(2, 3, u);

record {};
record { attr: 2 + 3; };

record { x: 1; y: 2; z: subrecord { u: "42"; }; };

fun stack(x) = x;
fun stretch(x) = x;

jwidget {
  fullscreen: true;
  @title jlabel { "title"; };
  @stack jwidget {} |> stack |> stretch;

  // let x = 4;
  // jfkeys { x };
  jfkeys { 4 };

  // fun test(x, y, ...all) = x + y + sum(all);
};

rec jlabel2(s) = jwidget { text: s };

jlabel2 {"Hello"};

/*
fun _(fx, cg) = if(param("FX")) fx else cg;
fun stack(elem) = elem <{ layout: stack };
fun stretch(elem) = elem <{ stretch_x: 1; stretch_y: 1; strech_beyond_limits: false };
fun myvbox(elem) = elem <{ layout: vbox { spacing: 1 } };

rec gscreen(name, keys, ...tabs) = myvbox <| jscene {
  fullscreen: true;
  @title if(name) jlabel { name };
  @stack jwidget { ...map(stretch, tabs) } | stack | stretch;
  jfkeys { keys };
};

gscreen {
  @name name: "Test";
  @fs jfileselect {};
  @shell peshell {};
};

set jlabel { font: &font_rogue };

jlabel {
  width: 80;
  margin: this.width - 2 * 20;
};
let hello_world_jlabel = jlabel { "Hello, World!" };
# implicit hole
hello_world_jlabel { width: dsize(this.text) };
*/

/*
fun f(x) = x + 2;
label { text: "hello"; height: 4; };

fun my_widget(children) =
  widget {
    height: len(children) * 20;
    ...children;
  };
// closure for my_widget function

my_widget {
  x: this.height; // 4
  height: 8;
// closure for the value of y
// "this" is my_widget:14
  y: this.height; // 8

// closure for "children" parameter
// "this" is my_widget:18
  $children:
    [label { "hello my height is " + str(this.height) };
     button { height: this.x } ];

  bg: none;
};
*/

let x: int = 4;
fun fun2(x: int, y: str): int = x + len(y);
fun fun3(x, y: str) = x + len(y);
let alias2: (int, str) -> int = fun2;