--take args and put them into a table with the func
local function pre(func, arg1, arg2, arg3, arg4)
     local pass = {func, arg1, arg2, arg3, arg4}
     return pass
end
-- take the table you stored in the q and return it as a function call with args in place.
local function post(passedTable)
     return passedTable[1](passedTable[2],passedTable[3],passedTable[4],passedTable[5])
end
--new q with post and pre functions
newQueue(pre(), post())

local function addToQ(func,arg1,arg2,arg3,arg4)
          local pass = {func, arg1, arg2, arg3, arg4}
          Q.push(pass)
end
-- usage scenario
if go then
     addToQ(modeSwitch(),soundDirName, gameMode, playTimes)
end
     --queue structure
local function newQueue(preprocess, postprocess)
    local first = 0
    local last = -1
    local queue = {}

    local push = preprocess and
        function(value)
            local last = last + 1
            queue[last] = preprocess(value)
        end
    or
        function(value)
            local last = last + 1
            queue[last] = value
        end

    local pop = postprocess and
        function()
            if first > last then return end
            local value = queue[first]
            queue[first] = nil                -- to allow garbage collection
            first = first + 1
            return postprocess(value)
        end
    or
        function()
            if first > last then return end
            local value = queue[first]
            queue[first] = nil                -- to allow garbage collection
            first = first + 1
            return value
        end

    return {push = push; pop = pop}
end