Add relative_complement and symmetric_difference #89
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I'd prefer to keep the alias, to be less confusing to people coming from Haskell and others. Looks very good otherwise. 👍 |
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As someone coming from a non-haskell / math background, |
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Closing #88, this adds methods for computing the relative complement. Also adds
symmetric_differencemethods, makingdifferencean alias of the former.I'd personally go further and deprecate
difference. Reading code that saysdifferencebut actually computes symmetric difference sounds really confusing to me. But that's not my call to make :)