local bubble_sort = Future:new()

function bubble_sort:poll(array)
	local n = array:size()
    self.state[n] = self.state[n] or n
	if n == 0 then
		return false
	end
	
    local swapped = false
    for i = 1, n - 1 do
        if array.at(i-1) > array.at(i) then
            array.swap(i-1, i)
            swapped = true
        end
    end
    self.state.n = self.state.n - 1

    return not swapped
end

function make_available(sorter_list)
	table.insert(sorter_list, "bubble_sort")
end