Test some distributivity laws #38
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non
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Nov 4, 2020
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I had naively hoped a strong distributive law would hold. This cannot hold for parsers without total backtracking and as such seems like it was perhaps erroneously added to cats Alternative law testing. I added a comment linking to some past difficulties cats had with a related issue and also to a discussion that some Haskell Alternative instances are not distributive.
cc @non