[Haskell-cafe] an idea for modifiyng data/newtype syntax: use `::=` instead of `=`

[Alexey Muranov]

On 8 août 2015, at 14:40, Oliver Charles <ollie at ocharles.org.uk> wrote:
> There is reasonable reasoning here, but what you suggest breaks almost all Haskell code that has ever been written. Sounds like an idea better suited to the design of a new language :)
> 
Maybe adding a language pragma or having both would avoid break any code?
> Also, i think you need the newtype/data distinction as I believe they are operationally different wrt laziness.
> 
Maybe keeping the `newtype` keyword would suffice?

Alexey.

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