decodeBinaryDigits.scala

import zio.App
import zio.console._

object HelloWorld extends App {
  def decodeBindigits(bindigits : String) : String = {
    var decoded = ""
    var c = 1
    for (ch <- bindigits) {
      if (ch == '0' || ch == '1') {
        c = c + c + (ch & 1)
        if ((c & 256) == 256) {
          decoded += (c&255).toChar
          c = 1
        }
      }
    }
    decoded
  }

  def run(args: List[String]) =
    myAppLogic.exitCode

  val myAppLogic =
    for {
      _    <- putStrLn("enter some binary digits to decode to ASCII?")
      bindigits <- getStrLn
      decoded = decodeBindigits(bindigits)
      _    <- putStrLn(s"Hello, $decoded, welcome to ZIO!")
    } yield ()
}