Build Prism path selectively base on values...

Combining "Lens' s a" and "a -> Lens' s b" into a "Lens' s b...

Attempting lens/traversal map multi-update on a subset of its keys...

What is the name of this prism-like optic, and is it useful for anything?...

How to do mapMaybe using lenses...

Is there a van Laarhoven optic based on the Monad typeclass?...

What are the advantages and disadvantages of using lenses?...

How do you add/remove an element of immutable list using Arrow Optics?...

How to use FSharpPlus.Lens to specify the index of a list?...

What is a `Prism' s a` but with a context `ctx`?...

How to use lens to access a record field behind a sum type...

Zoom with the telephoto lens with CameraX...

Create a traversal from a list of lenses...

What is the difference between single double qoute/apostrophe in template-haskell?...

What is the appropriate abstraction for a lens which can fail as a setter?...

Does Control.Lens have a performance overhead?...

Shorter way to traverse nested record with Maybe...

Eliminating `flip` in Haskell lens...

What's the difference between view and use in lens?...

Searching for missing State Combinator for Lens...

Traversal to combine multiple map operations into single ADT...

Is there an appropriate optic for set membership?...

Filtering Lists in Scala's Monocle...

unlawful lens Haskell...

What's the Profunctor Representation of "Wither"?...

Functional Programming/Optic concept that takes a partial object and returns a "filled in"...

Writing a function that is polymorphic over lenses for a given datatype?...

Updating a nested data structure using lenses...

Scala (scalaz) State monad - map over Option state type...

How to modify this nested case classes with "Seq" fields?...