It is not clear, whether we should use Int type for alphabet symbols, or Enum class. The latter would allow, for example, to use String keys. On the other hand, it is possible that later we will rely on some properties of [Int] keys (for example, use v-conding).
It is not clear, whether we should use Int type for alphabet symbols, or Enum class. The latter would allow, for example, to use String keys. On the other hand, it is possible that later we will rely on some properties of [Int] keys (for example, use v-conding).