Traverse/Rewrite a JSON Value...

Pass a lens into a function...

How to eliminate the boilerplate of wrapping and unwrapping using lenses...

Modify a traversable lens using a nested state transformer...

Haskell lens getter that compares values of two lens getters...

How can I use Lenses to perform read-only monadic operation over a sequence held in some state?...

Confusion about composing indexed lens...

How to extract part of an aeson value that satisfies a condition?...

How to treat a lens (or any other optic) as a getter and setter simultaneously?...

Apply two Folds or Getters and only succeed when both succeed...

A typecheck errors in deriving wrapper for Linear.V...

Recursion issue when writing a "Pretext" aware version of Lens.para...

Haskell: use or uses in Getter...

Use cases of makePrisms with examples...

How can I rewrite an arbitrarily nested field in a JSON structure using haskell lenses?...

Traversal over last element of 'filtered'...

Space leak / Bug in interaction of Control.Lens.Plated and Bound...

What are simple definitions for Control.Lens.Traversal's partsOf, holesOf and singular?...

Lens lib: Is there an optic for this?...

How do I correctly format a function using Control.Lens?...

How to override a default value, via lenses, only if incoming value is not Nothing...

Justifying a Type Equivalency Asserted in Haskell Lens Library...

Type families can't return a RankN type -- workarounds or alternatives?...

Why have both itraverse and itraversed functions in Haskell's lens library?...

How to define Lens into the State value itself?...

Traversing and adding elements to a Data.Tree using Lenses in Haskell...

Zoom instance over Free Monad...

Lift through nested state transformers (mtl)...

Generating all ways of applying a function to a single element with lens...

How to automatically convert a record in "makeFields" lens format to JSON with fields matc...