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priort/CreatePianoTrio2.scala Secret

Created December 30, 2018 11:08
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CreatePianoTrio2.scala
def createPianoTrio(pianoPlayerName:String, bassPlayerName:String, drummerName:String): Option[PianoTrio] =
for {
pp <- PianoPlayer(pianoPlayerName)
bp <- BassPlayer(bassPlayerName)
d <- Drummer(drummerName)
} yield PianoTrio(pp, bp, d)
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