Packages tagged lenses

56 packages have this tag.

[Merge tag] (trustees only)

Related tags: library (56), data (42), bsd3 (40), optics (10), generics (8), deprecated (6), mit (4), bsd2 (3), apache (2), data-structures (2), language (2), profunctors (2), program (2), testing (2), accelerate (1), ...

Name
DLs
Rating
Rev Deps
Description
Tags
Last U/L
Last Version
Maintainers
BiGUL42.251The Bidirectional Generic Update Language (generics, language, lenses, library, public-domain)2016-08-301.0.1joshko, Zirun
app-lens00.01applicative (functional) bidirectional programming beyond composition chains (bsd3, data, lenses, library)2016-09-250.1.0.3kztk
bff-mono70.01"Bidirectionalization for Free" for Monomorphic Transformations (bsd3, data, lenses, library)2014-08-140.2.3kztk
concise560.02Utilities for Control.Lens.Cons (bsd3, data, lenses, library)2018-02-040.1.0.1frasertweedale
data-lens-light560.011Simple lenses, minimum dependencies (data, lenses, library, mit)2023-08-030.1.2.4RomanCheplyaka, srk
extended-containers-lens40.00lens instances for extended-containers (bsd3, data-structures, lenses, library)2020-04-290.1.0.0konsumlamm
fclabels1362.2550First class accessor labels implemented as lenses. (bsd3, data, lenses, library)2021-05-272.0.5.1AdamBergmark, ErikHesselink, SebastiaanVisser
haskell-time-range90.01Some useful wrappers and functions for building time ranges (bsd3, lenses, library, time)2017-04-040.2.0.1schalmers
indexed-profunctors2470.04Utilities for indexed profunctors (bsd3, data, lenses, library, optics, profunctors)2023-06-220.1.1.1AdamGundry, AndresLoeh, phadej, arybczak
lens6793.01438Lenses, Folds and Traversals (bsd2, data, generics, lenses, library)2024-05-125.3.2EdwardKmett, EricMertens, JohnWiegley, ryanglscott
lens-accelerate80.01Instances to mix lens with Accelerate (accelerate, bsd3, data, lenses, library)2020-08-280.3.0.0TrevorMcDonell
lens-action390.08Monadic Getters and Folds (bsd3, data, generics, lenses, library)2021-11-160.2.6EdwardKmett, EricMertens, ryanglscott
lens-aeson2272.75119Law-abiding lenses for aeson (data, json, lenses, library, mit)2023-06-271.2.3EdwardKmett, EricMertens, ryanglscott
lens-core (deprecated in favor of lens)31.50A placeholder for a future lens core package. (deprecated, lenses, library)2020-09-240.2EdwardKmett
lens-datetime162.01Lenses for Data.Time.* types (bsd3, data, lenses, library)2016-04-290.3GergelyRisko, MihalyBarasz
lens-errors70.00Error handling in lens chains (bsd3, lenses, library)2019-07-040.2.2.0ChrisPenner
lens-family1301.7531Lens Families (bsd3, data, lenses, library)2024-03-192.1.3RussellOConnor
lens-family-core1640.023Haskell 2022 Lens Families (bsd3, data, lenses, library)2024-03-192.1.3RussellOConnor
lens-indexed-plated00.00Indexed version of Plated. (bsd2, data, generics, lenses, library)2023-07-080.1.0nicuveo
lens-properties150.01QuickCheck properties for lens (bsd3, data, lenses, library)2018-01-094.11.1EdwardKmett, EricMertens, ryanglscott
lens-toml-parser270.01Lenses for toml-parser (language, lenses, library)2024-12-050.3.0.1henrytill
lens-typelevel30.01Type-level lenses using singletons (bsd3, dependent-types, lenses, library)2018-10-290.1.1.0jle
lenz (deprecated)90.02Van Laarhoven lenses (bsd3, data, deprecated, lenses, library)2020-01-160.4.2.0
lenz-mtl (deprecated)60.00mtl operations with Van Laarhoven lenses (control, data, deprecated, lenses, library)2019-10-250.1
lenz-template (deprecated)90.01Van Laarhoven lens templates (data, deprecated, lenses, library, template-haskell)2017-11-150.2.0.0
mezzolens12.01Pure Profunctor Functional Lenses (apache, lenses, library)2015-10-110.0.0RussellOConnor
microlens3322.75243A tiny lens library with no dependencies (bsd3, data, lenses, library)2022-12-140.4.13.1Artyom, stevenfontanella
microlens-contra170.03True folds and getters for microlens (bsd3, data, lenses, library)2022-12-140.1.0.3Artyom, stevenfontanella
microlens-each (deprecated in favor of microlens)10.01'each' for microlens (bsd3, data, deprecated, lenses, library)2015-04-190.1.0.0Artyom
microlens-ghc2082.011microlens + array, bytestring, containers, transformers (bsd3, data, lenses, library)2024-04-190.4.14.3Artyom, stevenfontanella
microlens-mtl2280.032microlens support for Reader/Writer/State from mtl (bsd3, data, lenses, library)2022-12-140.2.0.3Artyom, stevenfontanella
microlens-platform1710.039microlens + all batteries included (best for apps) (bsd3, data, lenses, library)2024-12-170.4.3.6Artyom, stevenfontanella
microlens-pro240.01Prisms and isomorphisms for microlens (bsd3, data, lenses, library)2024-12-170.2.0.2stevenfontanella
microlens-th3860.081Automatic generation of record lenses for microlens (bsd3, data, lenses, library)2024-12-170.4.3.16Artyom, stevenfontanella
multiplate180.03Lightweight generic library for mutually recursive data types. (generics, lenses, library, mit)2015-09-270.0.3RussellOConnor
mutable-lens50.00Interoperate mutable references with regular lens (apache, data, generics, lenses, library)2020-11-250.4.1.0infinity0
optics942.518Optics as an abstract interface (bsd3, data, lenses, library, optics)2023-06-220.4.2.1AdamGundry, AndresLoeh, phadej, arybczak
optics-core2012.554Optics as an abstract interface: core definitions (bsd3, data, lenses, library, optics)2023-06-220.4.1.1AdamGundry, AndresLoeh, phadej, arybczak
optics-extra1312.09Extra utilities and instances for optics-core (bsd3, data, lenses, library, optics)2022-05-200.4.2.1AdamGundry, AndresLoeh, phadej, arybczak
optics-operators80.00A tiny package containing operators missing from the official package. (data, lenses, library, mit, optics)2023-06-250.1.0.1qwbarch
optics-th1470.010Optics construction using TemplateHaskell (bsd3, data, lenses, library, optics)2022-03-220.4.1AdamGundry, AndresLoeh, phadej, arybczak
optics-vl160.01Utilities for compatibility with van Laarhoven optics (bsd3, data, lenses, library, optics)2020-04-150.2.1AdamGundry, AndresLoeh, phadej, arybczak
polysemy-optics50.00Optics for Polysemy. (bsd2, lenses, library, optics)2022-07-050.1.0.2nosewings
profunctor-optics160.00A compact optics library compatible with the typeclasses in profunctors. (bsd3, data, lenses, library, profunctors, program)2020-03-090.0.2cmk
prolens62.00Profunctor-based lightweight implementation of optics (data, lenses, library, mpl, optics)2021-03-140.0.0.1vrom911
putlenses10.01Put-based lens library (bsd3, generics, lenses, library)2014-09-300.1.3HugoPacheco
sliceofpy22.00Python-ish slicing traversals for Haskell. (bsd3, data, lenses, library, program)2019-08-231.0.0lgastako
smallcheck-lens20.01SmallCheck properties for lens (bsd3, lenses, library, testing)2015-09-110.3jdnavarro
split-morphism22.00Split Epimorphisms and Monomorphisms (bsd3, data, generics, lenses, library)2019-09-100.1.0.1gvolpe
strict-containers-lens40.00Strict containers - Lens instances (bsd3, data, data-structures, lenses, library)2022-12-120.2ErikDeCastroLopo, infinity0
strict-lens180.01Lenses for types in strict package (bsd3, data, lenses, library)2024-07-030.4.1phadej, infinity0
tables (deprecated)222.02In-memory storage with multiple keys using lenses and traversals (bsd3, data, deprecated, lenses, library)2015-01-120.4.1.1EdwardKmett, TimDixon
tasty-lens30.01Tasty TestTrees for Lens validation (bsd3, lenses, library, testing)2015-09-230.3.1jdnavarro
template-haskell-optics130.00Optics for template-haskell types (bsd3, data, lenses, library, optics)2023-11-160.3AdamGundry, AndresLoeh, phadej, arybczak
vitrea10.00Profunctor optics via the profunctor representation theorem. (gpl, lenses, library)2020-03-300.1.0.0mroman42
with-index50.01A tiny library for composing indexed traversals (bsd3, data, lenses, library)2017-10-140.1.0.0PhilFreeman