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List:       haskell-cafe
Subject:    Re: [Haskell-cafe] Why can't I promote data family constructors, and what to do instead?
From:       Tom Ellis <tom-lists-haskell-cafe-2023 () jaguarpaw ! co ! uk>
Date:       2023-09-18 9:56:48
Message-ID: ZQge4BdXYw0CRmu7 () cloudinit-builder
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On Sat, Sep 16, 2023 at 08:45:59AM -0400, Ryan Scott wrote:
> Regarding the first question ("Is this restriction *really* necessary?"), I
> think the answer is likely "no", at least for most data family instances.
> This discussion [1] is the most up-to-date reference on the history and
> motivations behind the current restriction. 
>
> [1] https://github.com/ghc-proposals/ghc-proposals/discussions/456

Very interesting. Thanks Ryan!
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