Aether
A functional optics library for F# providing composable lenses and prisms for immutable data manipulation.
What is Aether?
Aether is an optics library for F# that provides functional abstractions like lenses and prisms for accessing and modifying immutable data structures. It solves the problem of cumbersome nested data manipulation by offering composable, type-safe operations similar to Haskell's Data.Lens. This enables cleaner, more maintainable code when working with complex data in functional F# applications.
F# developers building applications with immutable data structures, especially those needing to manage nested or complex data in a functional style. It's also suitable for projects using Fable for F#-to-JavaScript compilation.
Developers choose Aether for its functional purity, composability, and seamless integration with F#'s type system, offering a robust alternative to manual data traversal. Its compatibility with Fable extends its use to full-stack F# development.
Overview
Optics for F#
Use Cases
Best For
- Accessing and updating nested fields in immutable F# records
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