Convert value to CVarArg type

[nc163]

The following code produced a cast error

let val: UInt128 = UInt128.max
String.init(format: "0x%0X", val as! CVarArg ) 

Do you have any advice on how to solve this problem?

[Jitsusama]

Hello. I’m afraid I’m not sure what is going on there. Hopefully someone else will be able to speak up and give you some help.