state_ironman=klass()
function state_ironman:init(sequence)
 self.sequence=sequence
 self.level=1
end

function state_ironman:enter() self:on_enter() end
function state_ironman:exit() end

function state_ironman:reenter(round) 
 if round.outcome=="win" then 
  self.level+=1
 elseif round.outcome=="menu" then
  self.done=true
 elseif round.outcome=="restart" then
 else
  assert(false,"unrecognized outcome: "..round.outcome)
 end

 self:on_enter() 
end
function state_ironman:suspend() end

function state_ironman:on_enter()
 local level=self.level
 if (self.done) return
 if level <= #self.sequence then
  local w=self.sequence[level]()
  main.state_manager:push(state_gameround:new(w))
 else
  self.done=true
 end
end

function state_ironman:update()
 assert(false,"wtf")
end
function state_ironman:draw()
 assert(false,"wtf2")
end