A better error monad transformer

Actions of monads on functors

Monadically convert object to unique integers and back

Monadically map objects to unique ints

An applicative monad that batches commands for later more efficient execution

This package has been removed

Monadic abstraction for computations that can be branched and run independently

Monad, monad transformer, and typeclass representing choices

These as a transformer, ChronicleT

more flexible mtl

monad-classes based typeclass for Ollie's logging-effect LoggingT

Monadic conversion between complex data structures and unique integers

Transformer for TCP connection with TLS and SOCKS support

Lift control operations, like exception catching, through monad transformers

Lift control operations, like exception catching, through monad transformers

Stronger classes than monad-control

Coroutine monad transformer for suspending and resuming monadic computations

A monad transformer for weighted graph searches

A fast and lightweight effect system

A flexible logging system utilizing the `monad-effect` effect system

Exstensible monadic exceptions

Extra utility functions for working with monads

Guard monadic computations with cleanup actions

Type class for monads which support a fork operation

A simple monad for generating fresh integers

Monad transformer for incremental hashing

A class of monads which can do http requests

Ideal Monads and coproduct of them

Monads with an unsaveInterleaveIO-like operation

A reader monad that gives the environment access to the entire transformer stack

Adapters between MonadIO and MonadBase IO

Pure logger typeclass and monad transformer

Specific levels of monad transformers

Monad transformers for combining local and global state

A simple and fast logging monad

A class of monads which can log messages

JSON logging using monad-logger interface

Utilities for composing loggers, coloring output, plus a few orphan instances

JSON-friendly Logging APIs

Logstash backend for monad-logger

Add prefixes to your monad-logger output

syslog output for monad-logger

Monadic loops

Monadic loops for STM

a monad to calculate linear recursive sequence

Markov process monad

Memoization monad transformer

An efficient random generator monad, based on the Mersenne Twister

A convenient wrapper around EKG metrics

An extensible and type-safe wrapper around EKG metrics

A monad transformer for mocking mtl-style typeclasses

Open recursion for when you need it

Monad for observation extraction

A library for parallel programming based on a monad

Combinators and extra features for Par monads

Parallel execution of monadic computations

Parallel execution of monadic computations with a progress bar

Parameterized monads

Lift control operations like exception catching through monad transformers

An mtl-style typeclass and transformer for persistent

Type class for monad transformers stack with pirimitive base monad

Monad products

Railway-oriented error handling for Haskell

Fast monads and monad transformers

Record and replay the results of monadic actions

Resumption and reactive resumption monads for Haskell

Monads of program skeleta

Provides a MonadST class

Utility library for monads, particularly those involving state

Concise, overloaded accessors for IORef, STRef, TVar

ST monad with efficient explicit errors

ST-like monad capturing variables to regions and supporting IO

ST-like monad capturing variables to regions and supporting STM

MonadSTM class analogous to MonadIO

Stateful supply monad

A monad transformer that turns event processing into co-routine programming

Functions to exit the program anywhere in MonadThrow monads

Type class for monads which carry the notion of the current time

Adaptation of the monad-time library for the effectful ecosystem

Monad transformer for recording timing events

Tree data structure for nondeterministic computations

A transactional state monad

Generic first-order unification

Typeclasses for representing monad transformer unlifting

Typeclasses for representing monad transformer unlifting

A monad transformer for data validation

Generic operations over variables

Wrap functions such as catch around different monads

Overloading of concurrency variables

A collection of monad transformers

Arrow-like monad composition for monadLib

The Acme and AcmeT monads

Extract underlying monads from monad transformers

A monad for using CryptoRandomGen

Monadic functions which provide Choice and Parallelism

Boxed and unboxed arrays for monad transformers

GHC plugin to desugar ! into do-notation

Recursion Schemes for Monadic version

Constraint Programming

Constraint Programming