# Milestone 5: ranges and sequence for loops.

pass func(value range) range {
	return value
}

main func() i32 {
	total i32 := 0

	items [3]mut i32 := [1, 2, 3]
	for items |item, index| {
		total = total + item
		_ = index
	}

	for (&items) |@item| {
		item^ = item^ + 1
	}

	view []mut i32 := items[..]
	for view |@item, index| {
		item^ = item^ + 1
		_ = index
	}
	for view |item| {
		total = total + item
	}

	for [4, 5] |item| {
		total = total + item
	}

	for "ab" |byte| {
		_ = byte
		total = total + 1
	}

	for 0..4 |value| {
		total = total + value
	}
	for 1..=3 |value| {
		total = total + value
	}

	once :: 0..1
	for pass(once) |value| {
		_ = value
		total = total + 1
	}

	return total
}