[web-devel] Type-safe URL handling

Gregory Collins greg at gregorycollins.net
Thu Mar 18 17:17:59 EDT 2010

Jeremy Shaw <jeremy at n-heptane.com> writes:

> Happstack is currently mtl based. I think I like transformers better,
> though I am saddened to see they do not have the classes like
> MonadReader, MonadWriter, etc.


Transformers is intended to be used with either "monads-fd" (to get
those instances using fundeps) or "monads-tf" (similar formulations with
type families.)

Monads-fd should be backwards-compatible w/ mtl.

Gregory Collins <greg at gregorycollins.net>

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