Scala Comments

In this blog post, you’ll learn -

  1. How to combine both map and filter into a single function.

Please read this post on Maps and Filters before continuing.

A common pattern in Scala is to filter items and then transforming (map) the filtered items. If you think about it, this is 2 iterations over the collection. Definitely, it can be optimized into a single iteration using the Collect method. Consider this example -

Kaushik Rangadurai

Code. Learn. Explore

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