Zero-length static array spec

[ketmar via Digitalmars-d]

On Sun, 01 Feb 2015 15:34:39 +0000, Iain Buclaw via Digitalmars-d wrote:

> Regardless of size, a static array should always have an address on the
> stack.  Of course, dereferencing said address is undefined.
> 
> You can also consider it a require that although a zero-length static
> array may have an address, it doesn't take up any space either.
> 
> Consider:
> 
> int[0] data0;
> int[1] data1;
> 
> 
> Here, you could expect both data0 and data1 to have the same .ptr
> address, but data0.ptr == data1.ptr should not succeed either.

actually, `data0.ptr` can point anywhere (except 0 as null ;-), 'cause 
it's so small that it takes no room at all, so it doesn't matter where it 
will be placed. ;-)
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