Is D 0.163 D 1.0?

[Regan Heath]

On Tue, 25 Jul 2006 12:32:52 +0300, Lionello Lunesu  
<lio at lunesu.remove.com> wrote:
> Chad J wrote:
>> Walter Bright wrote:
>>> Derek wrote:
>>>
>>>> On Mon, 24 Jul 2006 00:33:23 +0000 (UTC), Andrei Khropov wrote:
>>>>
>>>>> And what about double meaning of 'auto'?
>>>>
>>>>
>>>> In general 'auto' is a poor choice for both meanings. 'auto' is  
>>>> obviously
>>>> shorthand for automatic, but automatic what???
>>>> Walter, given that 'auto' as a keyword is not going to be removed  
>>>> from the
>>>> language, how can one currently declare a type-inferred variable that  
>>>> has
>>>> RAII properties?
>>>>
>>>
>>> Regan Heath penned the solution I thought I'd posted a while back, but  
>>> maybe I hadn't:
>>>
>>>> class A {}
>>>>
>>>> A a = new A(); //normal
>>>> A a = A(); //destroyed at end of scope
>>>>
>>>> and with auto..
>>>>
>>>> auto a = new A(); //normal
>>>> auto a = A(); //destroyed at end of scope
>>>>
>>>> Simple, elegant, obvious (IMO)
>>>
>>>
>>  Myself I would prefer not to have that.  It creates an ambiguity  
>> between  a static opCall on A and the storage attribute.
>
> I think "static opCall" is a hack to begin with. It's basically a  
> workaround for structs not having constructors. For classes, there's no  
> point in having a static opCall if Walter implements the "A()" construct.

I agree.

>> I prefer the storage attribute have it's own keyword.  Perhaps give  
>> storage 'auto' and type inference 'var'.  For me, that makes it more  
>> obvious, since to my eyes it would be a keyword that I've never seen  
>> before and now need to look up in the spec - otherwise it's just a  
>> static opCall :(.
>
> I also prefer "var" to "auto" for the type inference. I don't think  
> anybody expects "var" to be dynamically typed. Well, maybe a few. And  
> then there's the "auto" from C++; it might confuse people if its meaning  
> were changed.

I think Don's point about there being a lot of user variables called "var"  
makes "auto" a safer and IMO just as good choice.

Regan