Monadic version of functions for containers (adjustM, updateWithKeyM, etc)

Johan Tibell johan.tibell at
Mon Sep 27 23:32:42 EDT 2010

On Mon, Sep 27, 2010 at 6:13 PM, Thomas DuBuisson
<thomas.dubuisson at> wrote:
> All,
> Is there a reason not to have monadic version of the functions in
> containers? I've a need for functions of type:

Ack! Haskell needs effect polymorphism. The API already has 150
functions. How many more do we need to add if we want to cover all the
monadic versions?

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