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• csvside_2.12
• 1.0.0
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• CellWriters.scala

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csvside.CellWriters.scala Maven / Gradle / Ivy

package csvside

trait CellWriters {
  implicit val stringWriter: CellWriter[String] =
    CellWriter[String](identity)

  implicit val intWriter: CellWriter[Int] =
    CellWriter[Int](_.toString)

  implicit val longWriter: CellWriter[Long] =
    CellWriter[Long](_.toString)

  implicit val doubleWriter: CellWriter[Double] =
    CellWriter[Double](_.toString)

  implicit val booleanWriter: CellWriter[Boolean] =
    CellWriter[Boolean](if(_) "true" else "false")

  implicit def optionWriter[A](implicit writer: CellWriter[A]): CellWriter[Option[A]] =
    CellWriter[Option[A]](value => value map writer getOrElse "")
}