# Monad Transformer Library

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Version 2 of the MTL has some small | Version 2 of the MTL has some small | ||

[[Incompatibilities between MTL 1 and MTL 2|incompatibilities]] | [[Incompatibilities between MTL 1 and MTL 2|incompatibilities]] | ||

− | + | relative to version 1. | |

− | See [[Upgrading from MTL 1 to MTL 2 | + | See "[[Upgrading from MTL 1 to MTL 2]]" for instructions on how |

to make code written for version 1 work with version 2. | to make code written for version 1 work with version 2. | ||

− | |||

[[Category:Monad]] | [[Category:Monad]] |

## Revision as of 11:50, 16 November 2010

The MTL provides a selection of monads and their transformer variants along with type classes that allow uniform handling of a base monad and its transformer.

See the package on Hackage.

Version 2 of the MTL has some small incompatibilities relative to version 1. See "Upgrading from MTL 1 to MTL 2" for instructions on how to make code written for version 1 work with version 2.