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by Lalit Pant.
Original Post: A Short Road to TCPoly(morphism) in Scala
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In my previous post, I talked about adding rich methods to Java Collections with the help of traits. If you go back and look at that post, you will see that I stayed well away from rich methods of a certain kind: those that return a new Collection when they are applied to an existing Collection. Examples of such methods are: map, flatMap, and filter.
Why did I not talk about methods of this
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