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/post.scala

Created June 15, 2017 06:55
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post.scala
// successful
stringToPercent.modifyOption(p => p.copy(p.value * 2))("20")
// res: Option[String] = Some(40)
// String => Int conversion fails
stringToPercent.modifyOption(p => p.copy(p.value * 2))("abc")
// res: Option[String] = None
// Int => Percent conversion fails
stringToPercent.modifyOption(p => p.copy(p.value * 2))("200")
// res: Option[String] = None
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