Epoxyish, a modern spring solution

Is there anyway to set a get a value like Fusion? Something like

local SetSize = function()
	return if Background:Get() then UDim2.fromScale(0.2, 0.05) else UDim2.fromScale(0.1, 0.05)
end

Button.MouseEnter:Connect(function()
	Background:Set(true)
end)