Wait for the first of the passed signals to fire

WaitForFirst.lua

local function waitForFirst(...)
	local shunt = Instance.new("BindableEvent")
	local slots = {...}
	
	local function fire(...)
		for i = 1, #slots do
			slots[i]:Disconnect()
		end
		return shunt:Fire(...)
	end
	
	for i = 1, #slots do
		slots[i] = slots[i]:Connect(fire)
	end
	
	return shunt.Event:Wait()
end

return waitForFirst