Created
May 22, 2020 09:09
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functional-dsl-blog-5.scala
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| object Original { | |
| def flatMap[A, B](l: List[A], f: A => List[B]): List[B] = ??? | |
| def flatten[A](l: List[List[A]]): List[A] = | |
| Original.flatMap(l, (as: List[A]) => as) | |
| def map[A, B](l: List[A], f: A => B): List[B] = | |
| Original.flatMap(l, List(_)) | |
| } |
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