Properties: a.b.c = 3

[Andrei Alexandrescu]

Ary Borenszweig wrote:
> Andrei Alexandrescu wrote:
>> Ary Borenszweig wrote:
>>> Andrei Alexandrescu wrote:
>>>> Ary Borenszweig wrote:
>>>>> Andrei Alexandrescu wrote:
>>>>>> Bill Baxter wrote:
>>>>>>> Yeh, I don't understand how any of this has anything to do with
>>>>>>> properties.  It's the same question if you ask what should
>>>>>>>
>>>>>>>  a.b().c = 5
>>>>>>>
>>>>>>>  do.  It's the same issue whether you have properties or not, and
>>>>>>> needs a solution whether you have properties or not.
>>>>>>
>>>>>> Well the problem is that a.b().c = 5 makes it clear that there's a 
>>>>>> function call in the mix, so the field-like behavior is not 
>>>>>> necessarily to be expected.
>>>>>
>>>>> No. Whenever you do
>>>>>
>>>>> Expression1 . Expression2 . Expression3 = Expression4.
>>>>>
>>>>> and Expression 2 is a struct type, and Expression 3 is not a static 
>>>>> field of the struct, that should be an error.
>>>>
>>>> I don't think D allows expressions to the right of ".".
>>>
>>> Ok, then change the rule to
>>>
>>> a . b . c  = d;
>>>
>>> where b is an identifier or a function call, c is an identifier.
>>
>> How about this fella then.
>>
>> a.b[5].c = d;
>>
>> Should work or not?
>>
>>
>> Andrei
> 
> Not if b[5] is a struct. Do I need to list evey possible syntax there it 
> to get my point clear? :-(

Yes, you actually need to. It was the point of my post.

Andrei