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List:       haskell-cafe
Subject:    Re: [Haskell-cafe] [Haskell] ANNOUNCE: mm2: The library that can be used for optimization of multipl
From:       Henning Thielemann <lemming () henning-thielemann ! de>
Date:       2019-09-21 21:36:32
Message-ID: alpine.DEB.2.20.1909212335040.3667 () sputnik
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On Sat, 21 Sep 2019, Zemyla wrote:

> No, because Data.Map is Ord a => a -> Maybe b.

The same applies to the Vector solution ...

Or you use lookup as partial function, i.e. (Map.!) :: Map a b -> a -> b.
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