What is the structure of D arrays?

[Ashok]

Don wrote:
> Ashok wrote:
>> Sean Kelly wrote:
>>> Ashok Wrote:
>>>
>>>> Actually, I have another question before the one in the subject
>>>> line: How many types of arrays are there in D? THEN, I would like
>>>> to know their layout/structure in memory.
>>> There's one type, and its structure is described in the ABI:
>>>
>>> http://www.digitalmars.com/d/2.0/abi.html
>>
>> How wide is length? And really? There's only one array type? D's age
>> showing!
>
> Dynamic arrays are internally just a pointer and a length, so there
> only needs to be one structure.

I rest my case.