Anton

okey, you right. How slowly kotlin js work if compare with native C++?

You can read text from file. Like this: ```kotlin val textFromFile = File("/path/to/file").read().bufferedReader().use { it.readText() } ``` And then you can get chars from `textFromFile `

Not use `utf8Reader`. It's my implement of utf-8. `bufferedReader` - it's iconv. Use it Can you write your emoji here?

You must implement AsyncReader or Reader for save some data in buffer. Also you can use ComposeAsyncReader/ComposeReader