transformers-0.4.0.0: Concrete functor and monad transformers

Portabilityportable
Stabilityexperimental
Maintainerross@soi.city.ac.uk
Safe HaskellSafe-Inferred

Control.Monad.Trans.Writer

Description

The WriterT monad transformer. This version is lazy; for a strict version, see Control.Monad.Trans.Writer.Strict, which has the same interface.

Documentation

module Control.Monad.Trans.Writer.Lazy