[Haskell-cafe] I think I discovered my first Monoid instance

[Andrew Butterfield]

It's bitwise, so not that complicated

> On 29 Sep 2020, at 10:52, Jaro Reinders <jaro.reinders at gmail.com> wrote:
> 
> But we're talking about xor for the Word64 type, so it is slightly more
> complicated to prove that it has a unit.
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Andrew Butterfield     Tel: +353-1-896-2517     Fax: +353-1-677-2204
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