Array void init

[Timon Gehr]

On 04/27/2013 07:29 AM, Steven Schveighoffer wrote:
> On Fri, 26 Apr 2013 07:58:34 -0700, Luís Marques <luismarques at gmail.com>
> wrote:
>
>> Should this be supported?
>>
>>      double[8] foo = [1.0, 2.0, void, 3.0, 3.5, void, void, void];
>>
>> (it's not supported at the moment)
>
> Have you considered what this does?  Consider a standard [1.0, 2.0] call:
>
> In essence, it pushes 1.0 and 2.0 onto the stack, then calls a function
> to allocate the memory and use the given data.
>
> What will end up happening is the data is copied from the stack to the
> heap.  It's just in your case, the data copied is garbage.  I see little
> point in supporting this.
>
> -Steve

(This is a DMD performance bug.)