-- Copy Class
local copyClass = {}

copyClass.func_1 = function() print(i) end
copyClass.func_2 = function() print(i) end
copyClass.func_3 = function() print(i) end
copyClass.func_4 = function() print(i) end
copyClass.func_5 = function() print(i) end
copyClass.func_6 = function() print(i) end
copyClass.func_7 = function() print(i) end
copyClass.func_8 = function() print(i) end
copyClass.func_9 = function() print(i) end
copyClass.func_10 = function() print(i) end
copyClass.func_11 = function() print(i) end
copyClass.func_12 = function() print(i) end
copyClass.func_13 = function() print(i) end
copyClass.func_14 = function() print(i) end
copyClass.func_15 = function() print(i) end
copyClass.func_16 = function() print(i) end
copyClass.func_17 = function() print(i) end
copyClass.func_18 = function() print(i) end
copyClass.func_19 = function() print(i) end
copyClass.func_20 = function() print(i) end

function copyClass.new()
    local obj = {}

    obj.func_1 = copyClass.func_1
    obj.func_2 = copyClass.func_2
    obj.func_3 = copyClass.func_3
    obj.func_4 = copyClass.func_4
    obj.func_5 = copyClass.func_5
    obj.func_6 = copyClass.func_6
    obj.func_7 = copyClass.func_7
    obj.func_8 = copyClass.func_8
    obj.func_9 = copyClass.func_9
    obj.func_10 = copyClass.func_10
    obj.func_11 = copyClass.func_11
    obj.func_12 = copyClass.func_12
    obj.func_13 = copyClass.func_13
    obj.func_14 = copyClass.func_14
    obj.func_15 = copyClass.func_15
    obj.func_16 = copyClass.func_16
    obj.func_17 = copyClass.func_17
    obj.func_18 = copyClass.func_18
    obj.func_19 = copyClass.func_19
    obj.func_20 = copyClass.func_20

    return obj
end

-- Inherit Class
local inheritClass = {}
inheritClass.__index = inheritClass

inheritClass.func_1 = function() print(i) end
inheritClass.func_2 = function() print(i) end
inheritClass.func_3 = function() print(i) end
inheritClass.func_4 = function() print(i) end
inheritClass.func_5 = function() print(i) end
inheritClass.func_6 = function() print(i) end
inheritClass.func_7 = function() print(i) end
inheritClass.func_8 = function() print(i) end
inheritClass.func_9 = function() print(i) end
inheritClass.func_10 = function() print(i) end
inheritClass.func_11 = function() print(i) end
inheritClass.func_12 = function() print(i) end
inheritClass.func_13 = function() print(i) end
inheritClass.func_14 = function() print(i) end
inheritClass.func_15 = function() print(i) end
inheritClass.func_16 = function() print(i) end
inheritClass.func_17 = function() print(i) end
inheritClass.func_18 = function() print(i) end
inheritClass.func_19 = function() print(i) end
inheritClass.func_20 = function() print(i) end

function inheritClass.new()
    local obj = setmetatable({}, inheritClass)

    return obj
end

-- Tables for holding reference
local copyObjects    = {}
local inheritObjects = {}

-- Test start
collectgarbage()
local m1 = collectgarbage("count")
local t1 = love.timer.getTime()

-- Copy Test
for i = 1, 100000 do
    copyObjects[i] = copyClass.new()
end

collectgarbage()
local m2 = collectgarbage("count")
local t2 = love.timer.getTime()

-- Inherit Test
for i = 1, 100000 do
    inheritObjects[i] = inheritClass.new()
end

collectgarbage()
local m3 = collectgarbage("count")
local t3 = love.timer.getTime()

-- Output
print("Copy memory used: "..m2-m1.." kB in: " ..t2-t1)
print("Inherit memory used: "..m3-m2.." kB in " ..t3-t2)

love.event.quit()

--[[
    Copy memory used: 79148.728515625 kb in: 2.4352197502158
    Inherit memory used: 4150.9990234375 kb in 0.029863576521166
]]