[Haskell-cafe] Set monad

Ivan Lazar Miljenovic ivan.miljenovic at gmail.com
Sat Jan 8 22:36:18 CET 2011

On 9 January 2011 07:28, Peter Padawitz <peter.padawitz at udo.edu> wrote:
> Hi,
> is there any way to instantiate m in Monad m with a set datatype in order to
> implement the usual powerset monad?
> My straightforward attempt failed because the bind operator of this instance
> requires the Eq constraint on the argument types of m.

See Ganesh Sittampalam's rmonad [1] package.

[1]: http://hackage.haskell.org/package/rmonad

Ivan Lazar Miljenovic
Ivan.Miljenovic at gmail.com

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