What is a lens in Scala?

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Can anyone explain what lens in Scala?
Jul 26 in Apache Spark by Sahan
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1 answer to this question.

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Hi,

A lens is an abstraction from functional programming. It makes updating complex immutable nested objects easier for us.

For lenses, we have three kinds of available implementations:

  • scalaz.Lens
  • Quicklens- Has more functionality than a Sauron
  • Sauron
answered Jul 26 by Gitika
• 25,340 points

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