Issues

• Add MonadYield

  transformers
  haskell/mtl#170 · Filter by author sjshuck opened on Oct 3, 2025
  21

• Add test suite and rehabilitate CI

  2.3.3
  haskell/mtl#160 · Filter by author sjshuck opened on Sep 7, 2025
  3

• Documentation Testing

  haskell/mtl#155 · Filter by author BebeSparkelSparkel opened on Aug 22, 2024

• Add "Lifting" newtypes for DerivingVia

  haskell/mtl#144 · Filter by author Lev135 opened on Jun 24, 2023
  7

• Conversions between lazy and strict StateT

  transformers
  haskell/mtl#139 · Filter by author treeowl opened on Jan 2, 2023
  4

• Why not use rank 2 polymorphism for callCC

  transformers
  haskell/mtl#127 · Filter by author SmartHypercube opened on Jun 13, 2022
  13

• mtl 3.0 planning

  haskell/mtl#116 · Filter by author emilypi opened on May 8, 2022
  15

• "Since" information for MonadFail instances missing (haddock, CHANGELOG)

  2.3.3
  haskell/mtl#105 · Filter by author andreasabel opened on Mar 24, 2022
  1

• Adding a proper ListT to transformers and this package

  transformers
  haskell/mtl#85 · Filter by author sofia-m-a opened on Feb 14, 2021
  28

• MonadReader instance for ContT has bad semantics

  haskell/mtl#83 · Filter by author KingoftheHomeless opened on Oct 14, 2020 · MTL 3
  1

• Do not re-export anything from Control.Monad.Trans.Writer.Strict

  transformers
  haskell/mtl#29 · Filter by author ezyang opened on Dec 17, 2015
  2

• Missing laws

  docfixenhancement
  haskell/mtl#5 · Filter by author ekmett opened on Mar 28, 2013
  18

  

• Document what Strict and Lazy mean

  2.3.3docfix
  haskell/mtl#2 · Filter by author ekmett opened on Sep 29, 2012
  1