What is the current point to empty/null associative arrays?

[Maxim Fomin]

On Friday, 29 November 2013 at 08:48:03 UTC, Chris Cain wrote:
> On Friday, 29 November 2013 at 08:32:12 UTC, Cooler wrote:
>> ...
>
> Try making fill array look more like this:
>
> void fillArray(ref string[int] a) { a[10] = "A"; }
>
> The issue is that an array (and/or associative array) is a 
> value type. Basically, you can look at it as a struct with a 
> pointer (and some extra info). If you don't pass it as a ref 
> then reallocations (such as what happens when you add an item 
> to an empty AA) will cause the two to not point to the same 
> information anymore.

But on the other hand, AA array is sometimes affected without ref 
parameter, so advice to put ref does not explain per se the issue.

Actually this is a good defficiency illustration of separation 
between value types and 'reference types' which are passed 'by 
reference'.