``` enum class MyLongClassNameActivityMode { ...

# language-proposals

[sanf0rd]

enum class MyLongClassNameActivityMode {
        WAITING_INPUT,
        LOADING,
        COMPLETE,
}

//Inside activity handling modes
fun changeUIMode(mode: UserDetailMode) = when (mode) {
       .WAITING_INPUT -> showViews(inputGroup)
       .LOADING -> showViews(loadingGroup)
       .COMPLETE -> startAnotherActivity()
}