"A design pattern is intended to compensate for the lack of language features" translated from @manaten's quote #scalaconfjp
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@dibblego@jonsterling@etorreborre@channingwalton@jsuereth@manaten disagree. Consider visitor workaround to lack of closed sums
@EyalL @jonsterling @etorreborre @channingwalton @jsuereth @manaten This is not even a good solution in such a broken environment.
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@dibblego@jonsterling what's a better workaround? I think using product of exponents is nice way of encoding sums. -
@EyalL@jonsterling In languages like Java and C# you can properly encode the "closedness" with language tricks. c.f. http://functionaljava.org
End of conversation
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