void[0][string] hash = [ "text" : [] ] gives empty array.

[ed]

On Friday, 7 February 2014 at 03:33:10 UTC, Maxim Fomin wrote:
> On Thursday, 6 February 2014 at 21:37:34 UTC, Cooler wrote:
>> The code compiled and runs successfully:
>>  void[0][string] hash = [ "text" : [] ];
>>  writeln(hash);
>>  assert(hash.length == 0);
>>
>> Output result is "[]".
>>
>> Is that a bug?
>
> http://dlang.org/arrays.html
>
> A static array with a dimension of 0 is allowed, but no space 
> is allocated for it. It's useful as the last member of a 
> variable length struct, or as the degenerate case of a template 
> expansion.
>
> Judging by compler output, zero size static arrays are removed 
> completely, so no surprise that nothing is done.

This should be a compiler error, no?

void[0], OK
void[0][], ERROR

Cheers,
ed