Contents

import Dna._

object Dna {
  private type Strand = String
  private type Nucleotide = Char

  def toRna(dna: Strand): Option[Strand] =
    dna.foldRight (Option("")) { case (char, rna) =>
      for {
        rnaNucleotide <- toRnaNucleotide(char)
        rnaStrand <- rna
      } yield rnaNucleotide +: rnaStrand
  }

  private val DnaToRna =
    Map('G' -> 'C', 'C' -> 'G', 'T' -> 'A', 'A' -> 'U')

  private def toRnaNucleotide(char: Char): Option[Nucleotide] =
     DnaToRna get char
}

Version data entries

196 entries across 196 versions & 1 rubygems

Version	Path
trackler-2.1.0.41	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.40	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.39	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.38	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.37	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.36	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.34	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.33	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.32	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.31	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.30	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.29	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.28	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.27	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.26	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.25	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.24	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.23	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.22	tracks/scala/exercises/rna-transcription/example.scala
trackler-2.1.0.21	tracks/scala/exercises/rna-transcription/example.scala