hreader

Generalization of MonadReader and ReaderT using hset

https://bitbucket.org/s9gf4ult/hreader

Version on this page:1.1.0@rev:1
LTS Haskell 23.27:1.1.1
Stackage Nightly 2025-07-06:1.1.1
Latest on Hackage:1.1.1

See all snapshots hreader appears in

BSD-3-Clause licensed by Aleksey Uimanov
Maintained by [email protected]
This version can be pinned in stack with:hreader-1.1.0@sha256:8b6d5d671a1e574a72aea4d3d1b5aae994f598a4902be553168cd403d5f7e34f,1978

Module documentation for 1.1.0

Used by 2 packages in lts-20.2(full list with versions):
hreader-lens, postgresql-query

Changes

CHANGELOG

1.1.0

Added

  • instances of MonadHReader for MaybeT and IdentityT
  • method ‘hlocal’ in MonadHReader

1.0.2

Added

  • added forgotten MonadMask instance

1.0.1

Changed

  • fix Applicative constraints for base < 4.8

1.0.0

Added

  • MHRElemsConstraint

Changed

  • depenes on hset > 2.0.0
  • use tagged instead of Labeled
  • some things renamed, so this version is not backwards compatible

0.2.0

Added

  • subHSetHReaderT run a local reader with a subset of HSet elements

Changed

  • minimum required hset version is 1.1.0

0.1.0

Changed

  • Use hset-1.0.0

0.0.2

Make it compilable on base-4.7

0.0.1

First working version