local tasks = {}

function SimpleTimingLib_Schedule(time, func, ...)
    local t = {...}
    t.func = func
    t.time = GetTime() + time
    table.insert(tasks, t)
end

function SimpleTimingLib_Unschedule(func, ...)
    for i = #tasks, 1, -1 do
        local val = tasks[i]
        if val.func == func then
            local matches = true
            for i = 1, select("#", ...) do
                if select(i, ...) ~= val[i] then
                    matches = false
                    break
                end
            end
            if matches then
                table.remove(tasks, i)
            end
        end
    end
end

local function onUpdate(self, delta)
    for i = #tasks, 1, -1 do
        local val = tasks[i]
        if val and val.time <= GetTime() then
            table.remove(tasks, i)
            val.func(table.unpack(val))
        end
    end
end

local frame = CreateFrame("Frame")
local e = 0
frame:SetScript("OnUpdate", function (self, delta)
    e = e * delta
    if e >= 0.5 then
        e = 0
        return onUpdate(self, delta)
    end
end)