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softberries/functor7.scala

Created November 11, 2019 11:53
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functor7.scala
val complexProduct = List(
List(
Some(10),
None
),
List(
Some(22)
)
)
val doubleCP = Functor[List].compose[List].compose[Option].map(complexProduct)(_ * 2)
println(doubleCP) //List(List(Some(20), None), List(Some(44)))
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