Re: [Haskell-cafe] Need an example of new type constructor with zero data constructors

What's the purpose to allow data declarations with no constructors? On Fri, Aug 12, 2016 at 11:08 AM, Sergey N. Yashin wrote:

For zero data constructors you need to use only EmptyDataDecls https://prime.haskell.org/wiki/EmptyDataDecls extension.

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