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


haskellhaskell-lenslenses

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


haskellhaskell-lenslenses

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How to do mapMaybe using lenses...


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


haskelllenseshaskell-optics

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


haskelllenses

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


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


f#lensesf#+

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


haskelllenses

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


haskellrecordhaskell-lenslenses

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Zoom with the telephoto lens with CameraX...


androidzoomingandroid-cameraxlenses

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Create a traversal from a list of lenses...


haskelllenses

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


haskelltemplate-haskelllenseshaskell-optics

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


haskellhaskell-lenslenses

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


performancehaskelllenses

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Shorter way to traverse nested record with Maybe...


haskellhaskell-lenslenses

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Eliminating `flip` in Haskell lens...


haskellidiomshaskell-lenslenses

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


haskellhaskell-lenslenses

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Searching for missing State Combinator for Lens...


haskellstate-monadlenseshaskell-lens

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


haskelltraversalhaskell-lenslenses

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


haskellsethaskell-lenslenses

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Filtering Lists in Scala's Monocle...


scalalensesmonocle-scala

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unlawful lens Haskell...


haskelllenses

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


haskelllensesprofunctor

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


typescriptfunctional-programminglensesmonocle-scala

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


haskelllenses

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Updating a nested data structure using lenses...


haskellhaskell-lenslenses

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


scalastatemonadsscalazlenses

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


scalacase-classlenses

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Ramda js: lens for deeply nested objects with nested arrays of objects...


javascriptramda.jslenses

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How to find and modify field in nested case classes?...


scalalensesmonocle-scala

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