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

[MigMit]

> On 08 Aug 2015, at 23:16, Tom Ellis <tom-lists-haskell-cafe-2013 at jaguarpaw.co.uk> wrote:
> 
> On Sat, Aug 08, 2015 at 11:14:40PM +0200, MigMit wrote:
>>> On 08 Aug 2015, at 23:11, Tom Ellis <tom-lists-haskell-cafe-2013 at jaguarpaw.co.uk> wrote:
>>> 
>>> On Sat, Aug 08, 2015 at 11:02:27PM +0200, MigMit wrote:
>>>> What you say is "if we don't use some perfectly legitimate language
>>>> constructs and never use third-party code, than 'data' and 'newtype' are
>>>> the same".
>>> 
>>> No, not at all.  I'm making a much stronger claim than that.  I'm claiming
>>> the functionality provided by newtype is completely subsumed by that
>>> provided by data.
>> 
>> Well, it's certainly unsupported by evidence. Because third-party code CAN
>> distinguish between those.
> 
> OK, show me the code!

I did. You removed it when quoting.