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Lens

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Abstract

In this chapter, you will learn about a particular type of functional reference. First, let’s see define functional reference: reference means you can access and/or modify part of the values, and functional means that the flexibility and composability of functions are assured while accessing these parts.

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    https://lens-by-example.chrispenner.ca/articles/traversals/writing-traversals

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© 2019 Stefania Loredana Nita and Marius Mihailescu

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Nita, S.L., Mihailescu, M. (2019). Lens. In: Haskell Quick Syntax Reference. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-4507-1_20

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