phantom-state

Phantom State Transformer. Like State Monad, but without values.

LTS Haskell 23.19:0.2.1.5
Stackage Nightly 2025-04-30:0.2.1.5
Latest on Hackage:0.2.1.5

See all snapshots phantom-state appears in

BSD-3-Clause licensed
Maintained by Daniel Casanueva (coding `at` danielcasanueva.eu)
This version can be pinned in stack with:phantom-state-0.2.1.5@sha256:7b292ba77c796bd27e80686962d6f7cdca1a6bc340f5e4badb85182ff2594b8e,1386

Module documentation for 0.2.1.5

Depends on 2 packages(full list with versions):
base, transformers
Used by 1 package in nightly-2025-04-30(full list with versions):
binary-list

A monad transformer that mimics the State Monad Transformer from the transformers package, but dropping the values. In those cases that you want to use the State Monad but you only care about effects and how the state changes, use this library to earn a plus of efficiency.

Changes

0.2.1.5

  • Metadata update.

0.2.1.4

  • Metadata update.