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justinhj/PEFP6.scala

Created December 10, 2019 04:24
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PEFP6.scala
Foldable[List].fold(List(1,2,3))
// res1: Int = 6
Foldable[List].fold(List("1","2","3"))
// res2: String = "123"
// Or you can use the combineAll function
List(1,2,3).combineAll
// res3: Int = 6
List("1","2","3").combineAll
// res4: String = "123"
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