DIP32: Uniform tuple syntax

deadalnix deadalnix at gmail.com
Sat Apr 6 06:02:26 PDT 2013


On Saturday, 6 April 2013 at 12:41:46 UTC, Andrei Alexandrescu 
wrote:
> On 4/6/13 4:10 AM, bearophile wrote:
>> Zach the Mystic:
>>
>>> Not disagreeing, but you had mentioned nullable types before, 
>>> and I
>>> was wondering what they might look like also. Have you made an
>>> enhancement for these I could examine?
>>
>> I opened this:
>> http://d.puremagic.com/issues/show_bug.cgi?id=4571
>>
>> Part of the syntax is:
>>
>> T? means T nullable
>> T@ = means not nullable.
>>
>> But that ER is a confused mess, and in the meantime the 
>> @disable was
>> introduced. Now the probability of such nullable 
>> syntax+semantics to be
>> introduced in D is very low, so probably I will close down 
>> that ER.
>>
>> Bye,
>> bearophile
>
> I think it's safe to close it. Nullable types have not enjoyed 
> a lot of appreciation in C#.
>
> Andrei

In C#, all objects are already nullables, which make it not 
really useful.

In D, this is implementable as a lib anyway.


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