Popularity
2.4
Declining
Activity
0.0
Stable
2
2
0

Monthly Downloads: 38
Programming language: Haskell
License: MIT License
Tags: Database     Opaleye    
Latest version: v0.3.1.0

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README

opaleye-classy

Classy MTL extension of the lovely Opaleye library, which simply just wraps things up in a MonadReader , MonadError context where the config/error are constrained by Classy Lenses/Prisms rather than by concrete non-extensible types.

More info on this pattern can be found in George Wilson's BFPG talk:

http://talks.bfpg.org/talks/2015-06-09.next_level_mtl.html

Warnings

  • This will only work if you only talk to one DB in your transformer stack.
  • This API is missing a few IO operations from Opaleye. If you need other functions exported then let me know or drop in a PR.