value struct label:
    text: string = "before"

func (l label) init(text: string = "ready"):
    l.text = text

struct message:
    title: string
    nested: label

func (m message) init(text: string = "done"):
    m.title = m.nested.text + text

func entry(value: i32) -> i32:
    var m = message()
    const item = label()
    var copy = item
    copy.text += "!"
    if m.title == "readydone" and copy.text == "ready!" and item.text == "ready":
        return value + 2
    return -100