LÖVE

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--edited
null = function() return 5 end
resizeImage = null
inspect = null
log = null
lume = {
    uuid=null,
    randomchoice = function(t)
        return t[math.random(#t)]
    end,
    wordwrap=null
    }
local kwargs = {
    uuid = 4,
    map = {storeBullet=null,kill=null},
    getSource = null
}
game = kwargs
progress = 0

getUpdateCount = null--not needed

class = require "class"
local Puff = require "puff"

local totalPuffs, currentPuffs = 0,0

local function spawnPuff()
    local p = Puff:new(kwargs)
    p.source = nil
    totalPuffs = totalPuffs+1
    table.insert(puffs, p)
    return p
end

function mass()
    for i = 1,1000 do
        spawnPuff()
    end
end

local function destroyPuff()
    local d = puffs[#puffs]
    if d then
        d:destroy()
        puffs[#puffs] = nil
    end
end

function copy(t)
    local tt = {}
    for x, i in ipairs(t) do
        tt[x] = i
    end
    return tt
end

function love.load()
    puffs = {}
    count = 50
end

function love.draw()
    love.graphics.print("Total puffs spawned: "..totalPuffs,10,100,0,2,2)
    love.graphics.print("Current puffs made: "..currentPuffs,10,150,0,2,2)
    love.graphics.print("Garbage in mb: "..collectgarbage("count")/1024,10,200,0,2,2)
    love.graphics.print("texture memory: "..love.graphics.getStats().texturememory/(1024*1024),10,250,0,2,2)
    love.graphics.print("frame rate: "..love.timer.getFPS(),10,300,0,2,2)
end

function love.update(dt)
    --ppuffs = copy(puffs)
    local del = {}
    for i = 1,#puffs do
        puffs[i]:update(dt,1)
        if puffs[i].dead then
            del[i] = true
        end
    end
    
    for i in pairs(del) do 
        --if puffs[i].dead then
            table.remove(puffs,i)
        --end
    end
    
    count = count+1
    if count>3 then
        for x=1,100 do
            destroyPuff()
        end
        count = 0
    end
    
    currentPuffs = #puffs
end

function love.mousereleased()
    --freezes for me at 6000 if object pool size is 5100
    --4000 if size is 3000
    mass()
end

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_LOG_FILE = love.filesystem.newFile("game_log.txt","w")
local function log(_str,file)

    local file = file or _LOG_FILE
    local str = lume.wordwrap(inspect(_str,1),90)
    file:write(str.."\n")
    return true
end

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function love.load()
    puffs = {}
    count = 50
end

function copy(t)
    local tt = {}
    for x, i in ipairs(t) do
        tt[x] = i
    end
    return tt
end

function love.update(dt)
    ppuffs = copy(puffs)
    -- ...
end

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jit.off()
game = {}
null = function() end
love = {timer = {getTime = null}}
local BaseClass = require"class"
local Derived = BaseClass:extend("Derived", 2)
for i = 1, 3 do
  local obj = Derived:new()
  print("Destroying " .. i)
  obj:destroy()
  print("Destroyed")
end

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Destroying 1
Destroyed
Destroying 2
Destroyed
Destroying 3

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luajit: not enough memory

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Destroying 1
Destroyed
Destroying 2
Destroyed
Destroying 3
^Cluajit: ./class.lua:9: interrupted!
stack traceback:
	./class.lua:9: in function 'destroy'
	main.lua:10: in main chunk
	[C]: at 0x555dee0206c0

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local function destroyFunc(self,...)
  --  log(name.." pool at "..self.__id.." is being freed.")
    local notActive = POOLS[self.__class].notActive
    notActive[#notActive+1] = self.__id
    return self._destroy(self,...)
end