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

[Geraldus]

type -> alias
data -> data
newtype -> newalias or newdata?

`type` keyword was really confusing for me at the beginning, also this
confusion brought another one about `newtype` keyword.

сб, 8 авг. 2015 г. в 22:28, Hilco Wijbenga <hilco.wijbenga at gmail.com>:

> On 8 August 2015 at 08:03, Daniel Trstenjak <daniel.trstenjak at gmail.com>
> wrote:
> >> type Name = String
> >> data Date = Date Int Int Int
> >
> > if we're at it ;), then please change it to:
> >
> >    alias Name = String
> >    type Date = Date Int Int Int
>
> I wholeheartedly agree with replacing the current "type" with "alias",
> the current "type" is just flat out wrong: it does *not* create a
> type. This should be very simple to do too: introduce "alias" as a new
> keyword and deprecate "type". No existing code would be affected.
>
> I'm on the fence about "type" instead of "data", though. "data"
> clearly conveys the meaning that we are talking about data only, not
> functions on that data (as in OOP). (Well, data constructors are
> functions too.) Then again, as soon as you add "deriving", you *are*
> defining functions on that data.
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