Passing Appender by value

[Namespace]

On Saturday, 22 June 2013 at 16:08:01 UTC, Andrej Mitrovic wrote:
> On 6/22/13, monarch_dodra <monarchdodra at gmail.com> wrote:
>> I think you can work around the problem using "appender":
>> auto buffer = appender!(int[])();
>
> Yes, because it has a default argument which it passes to the 
> Appender
> constructor. If only we had default constructors for structs in 
> D.. or
> a general solution to this issue. I remember maybe a year ago 
> or so
> I've ran into the same issue with hashes, and now it almost bit 
> me
> hard again (luckily this was caught immediately in a failing
> unittest).

What was the main reason for Walter to disable default CTors for 
structs?