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jgwil2
on Feb 4, 2021
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The visitor pattern is essentially the same thing ...
Recently came across a related article in a series on design pattern equivalents in FP, "Visitor as a sum type".[0]
[0]
https://blog.ploeh.dk/2018/06/25/visitor-as-a-sum-type/
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[0] https://blog.ploeh.dk/2018/06/25/visitor-as-a-sum-type/