/// Example doc-style comment.

const DATA_HEIGHT: u32 = 3;
const DATA: [3]u8 = [
	0b11000011,
	0b10000001,
	0b00100100,
];

fn determine_collatz_number(start: i32) -> i32
{
	var x = start;
	var steps = 0;
	{
		if x == 1
			goto return;
		do_collatz_step(&x);
		steps = steps + 1;
		loop;
	}
	return: steps
}

fn do_collatz_step(x: &i32)
{
	// Left as an exercise for the reader.
}

word64 Position
{
	x: i32,
	y: i32,
}

fn sum_of_position(pos: Position) -> i32
{
	return: pos.x + pos.y
}

struct FourPositions
{
	positions: [4]Position,
}

pub extern fn something_with_pointers(u: &&i32)
{
	var i: i32 = 17;
	var x: &i32 = &i;
	var a: &&i32 = &&x;
	&&a = &&u;
	var text = "Save up to \u{20a0}50 or \xA350 or more!\0";
}

fn something_with_casting()
{
	var a: bool = true;
	var data: []i16 = [80, 20];
	var result = a as u8 + |data| as u8;
}