Also ``` @ExperimentalUnsignedTypes fun main(args:...

# announcements

[jkbbwr]

Also

@ExperimentalUnsignedTypes
fun main(args: Array<String>) {
    var a: UByte = 0u
    println(--a) // -1
}

but

@ExperimentalUnsignedTypes
fun main(args: Array<String>) {
    var a: UByte = 0u
    --a
    println(a)  // 255
}

[Pavlo Liapota]

Does println() accepts UByte?
println((--a).toString()) works fine 🙂

[Pavlo Liapota]

println(--a as UByte) produces java.lang.ClassCastException: java.lang.Byte cannot be cast to kotlin.UByte

[ilya.gorbunov]

That's why they are called ExperimentalUnsignedTypes, not everything is smooth, especially in the first preview.

[jkbbwr]

Just bringing it to peoples attention, not meaning to be negative. I have been looking forward to unsigned types for a long time 🙂

[ilya.gorbunov]

I've checked, it hasn't been fixed yet in the development branch, so I've opened https://youtrack.jetbrains.com/issue/KT-26219

[jkbbwr]

I had opened an issue as well, if you spot it could you close it? 🙂

[jkbbwr]

Ah you already did