This package backports the Control.Monad.Except module (if using mtl-2.2.0.1 or earlier) and monad class instances for ExceptT from transformers-compat (if using mtl-2.1.3.1 or earlier).

Note that unlike how mtl-2.2 or later works, the Control.Monad.Except module defined in this package exports all of ExceptT's monad class instances. Therefore, you may have to declare import Control.Monad.Except () at the top of your file to get all of the ExceptT instances in scope.

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Modules

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Flags

Manual Flags

Name	Description	Default
two-point-two	Use mtl-2.2.0.1. This is probably not what you want, so this must be selected manually.	Disabled

Automatic Flags

Name	Description	Default
two-point-one	Use mtl-2.1.3.1 or earlier with transformers-compat. This should toggle on/off automatically.	Disabled

Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. More info

Downloads

• mtl-compat-0.1.1.tar.gz [browse] (Cabal source package)
• Package description (revised from the package)

Note: This package has metadata revisions in the cabal description newer than included in the tarball. To unpack the package including the revisions, use 'cabal get'.

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• ryanglscott

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