Issues

• lastOf/firstOf: two space leaks that remain after #1141

  ekmett/lens#1142 · Filter by author jozanek opened on Oct 11, 2026

• Unclear error when two fields of different types get the same optic name

  ekmett/lens#1138 · Filter by author jozanek opened on Oct 10, 2026

• declareLensesFor and declareClassyFor ignore their field mapping

  ekmett/lens#1137 · Filter by author jozanek opened on Oct 10, 2026

• Illegal target-changing substitution traversals

  ekmett/lens#1127 · Filter by author Jashweii opened on Jun 20, 2026
  2

• instance Cochoice (Indexed i)

  ekmett/lens#1125 · Filter by author mixphix opened on Jun 17, 2026

• Replace Reflection in traverseByOf and sequenceByOf

  ekmett/lens#1098 · Filter by author Zemyla opened on Nov 2, 2025

• Remove use of -fbyte-code in Data.Data.Lens

  ekmett/lens#1096 · Filter by author RyanGlScott opened on Oct 13, 2025
  

• Use Data.Map.Strict for Ixed Map?

  ekmett/lens#1093 · Filter by author goertzenator opened on Aug 21, 2025

• Add a lazier variant of folded?

  ekmett/lens#1092 · Filter by author ekmett opened on Apr 23, 2025
  1

• Top-down dual of transformOf?

  ekmett/lens#1089 · Filter by author ozkutuk opened on Feb 1, 2025

• lens-example pong flag is automatic

  ekmett/lens#1082 · Filter by author phadej opened on Dec 3, 2024
  1

• Where is the Iso' Text String?

  ekmett/lens#1062 · Filter by author kindaro opened on Mar 14, 2024
  5

• Document that application of view to a term of type Lens does not always type check.

  ekmett/lens#1061 · Filter by author kindaro opened on Mar 11, 2024

• Improve rewriteM docs

  docfix
  ekmett/lens#1053 · Filter by author deemp opened on Dec 29, 2023

• Separate Each into own package

  ekmett/lens#1050 · Filter by author phadej opened on Oct 12, 2023
  3

• Censor & listen

  ekmett/lens#1049 · Filter by author Jashweii opened on Oct 8, 2023

• Improving documentation

  docfix
  ekmett/lens#1038 · Filter by author Lev135 opened on Jul 7, 2023
  11

• cloneGetter

  ekmett/lens#1036 · Filter by author Lev135 opened on Jul 7, 2023
  2

• Splitting Ixed/At/Contains into their own package

  ekmett/lens#1026 · Filter by author endgame opened on Mar 9, 2023
  2

• Are state modifications supposed to be so lazy?

  ekmett/lens#1018 · Filter by author treeowl opened on Dec 27, 2022
  1

• Add a strict over?

  ekmett/lens#1016 · Filter by author treeowl opened on Dec 20, 2022
  1

• Missing combinators for creating and consuming Fold1, and IndexedFold1 's

  ekmett/lens#1015 · Filter by author noinia opened on Dec 17, 2022
  4

• Add Zoom for Control.Monad.Trans.WriterT.CPS

  ekmett/lens#1014 · Filter by author ocharles opened on Dec 12, 2022
  1

• Expand tuple accessors to support 26-item tuples

  ekmett/lens#1013 · Filter by author berdOS opened on Nov 4, 2022

• Index TypeFamily for Ixed/At inconsistent with FunDeps for *WithIndex

  ekmett/lens#1004 · Filter by author tysonzero opened on Apr 24, 2022
  3