On Fri, 21 Aug 2020 at 18:30, Axel Wagner <axel.wagner...@googlemail.com>
wrote:

> My one concern with making it an alias is error messages.
> If the source code says "any", I think so should the error messages.
> Currently, the compiler forgets aliases too early
> <https://play.golang.org/p/m8o9JiOyy9z>.
>

I agree that's a concern, but I think that should be a reason to fix error
messages when aliases are used, not to use a named type.


> On Fri, Aug 21, 2020 at 7:08 PM roger peppe <rogpe...@gmail.com> wrote:
>
>>
>>
>> On Fri, 21 Aug 2020 at 15:24, Ian Lance Taylor <i...@golang.org> wrote:
>>
>>> On Fri, Aug 21, 2020, 12:37 AM 'Axel Wagner' via golang-nuts <
>>> golang-nuts@googlegroups.com> wrote:
>>>
>>>> Just to clarify, the intent is to make the declaration in the spec
>>>> `type any = interface{}`, not `type any interface{}`, correct? The latter
>>>> would be more analogous to `error`. Either has certain advantages and
>>>> disadvantages, I'm not sure which I prefer, but I just want to make sure I
>>>> understand the plan :)
>>>>
>>>
>>> I've been thinking of a type alias rather than a defined type, but I'm
>>> not sure which is best.  It would be interesting to hear whether anybody
>>> has a clear preference, and why.
>>>
>>
>> My vote is for a type alias. Using a named type doesn't make any
>> difference for type parameter constraints, and I'd prefer it if
>> "[]interface{}" and "[]any" (or other types involving interface{}) weren't
>> incompatible types. "interface{}" is currently a nice universally
>> understood type - I don't think it's worth splitting it into two distinct
>> types.
>>
>>   cheers,
>>     rog.
>>
>>
>>
>>
>>> Ian
>>>
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>>>
>>

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