Issues

• Test failure with GHC 9.14: Couldn't match type ‘[Char]’ with ‘Bool’

  kcsongor/generic-lens#174 · Filter by author Vekhir opened on Jun 21, 2026

• coercingUpcast: name-checked cast with Coercible field pairs

  kcsongor/generic-lens#173 · Filter by author MMZK1526 opened on Jun 8, 2026

• Test sum1PrismManualChar === sum1TypePrismChar failing with GHC >= 9.12

  kcsongor/generic-lens#171 · Filter by author andreasabel opened on Aug 25, 2025
  2

• LANGUAGE TypeInType is deprecated

  kcsongor/generic-lens#169 · Filter by author andreasabel opened on Aug 25, 2025
  2

• Add some information about compile time performance to the readme

  kcsongor/generic-lens#167 · Filter by author soenkehahn opened on Mar 26, 2025

• add a shallow traversal (biplate)

  kcsongor/generic-lens#163 · Filter by author aavogt opened on Apr 27, 2024

• flip setField arguments to match -XOverloadedRecordUpdate desugaring

  kcsongor/generic-lens#162 · Filter by author aavogt opened on Apr 14, 2024
  1

• Maintenance help

  kcsongor/generic-lens#161 · Filter by author michaelpj opened on Mar 28, 2024
  7

• Puzzling error message: No instance for ?Generic s?

  kcsongor/generic-lens#160 · Filter by author ddssff opened on Dec 17, 2023
  1

• Typechanging param fails (with poor error message) when some subtype ignores the parameter

  kcsongor/generic-lens#157 · Filter by author brprice opened on May 25, 2023

• Should _Ctor return an Iso for single constructor types?

  kcsongor/generic-lens#150 · Filter by author ddssff opened on Oct 29, 2022

• Const and Identity instances for HasAny

  kcsongor/generic-lens#148 · Filter by author srid opened on Jun 30, 2022
  1

• Generic Product Field Traversals

  kcsongor/generic-lens#145 · Filter by author dwincort opened on Apr 18, 2022
  4

• Make Param representationally polymorphic

  kcsongor/generic-lens#137 · Filter by author treeowl opened on Oct 15, 2021

• A different approach to fields

  kcsongor/generic-lens#136 · Filter by author treeowl opened on Sep 18, 2021
  4

• Recursing with typed as well as types

  kcsongor/generic-lens#134 · Filter by author PPKFS opened on Jul 3, 2021
  3

• generic-optics-2.0.0.0 testsuite failing in Stackage Nightly

  kcsongor/generic-lens#133 · Filter by author juhp opened on Apr 14, 2021
  1

• HasField' and nested labels don't play along well

  kcsongor/generic-lens#125 · Filter by author googleson78 opened on Jul 15, 2020
  2

• Unclear type error when HasType constraint is missing

  kcsongor/generic-lens#122 · Filter by author f-f opened on May 26, 2020

• A 'field'-like traversal?

  kcsongor/generic-lens#121 · Filter by author neongreen opened on May 15, 2020
  2

• Add criterion benchmarks

  kcsongor/generic-lens#115 · Filter by author arybczak opened on Mar 22, 2020

• Test suites shouldn't fiddle with unfolding threshold

  kcsongor/generic-lens#113 · Filter by author arybczak opened on Mar 10, 2020

• Compile time performance

  kcsongor/generic-lens#110 · Filter by author kcsongor opened on Feb 12, 2020 · 2.1.0.0
  5

  

• Consider adding HasConstraints back

  kcsongor/generic-lens#109 · Filter by author kcsongor opened on Feb 12, 2020 · 2.1.0.0
  1

• Add iso from record to tuple

  kcsongor/generic-lens#106 · Filter by author cblp opened on Feb 4, 2020
  2