fn main()
    var x = 42
    let cl = { i: Int ->
        let result = x + i
        x += 1
        result
    }
    println cl(0) // 42
    println cl(0) // 43
    println cl(0) // 44
end

fn main()
    var x = 42
    fn cl(i: Int): Int
        let result = x + 1
        x += 1
        result
    end
    println cl(0) // 42
    println cl(1) // 42
end