get size of class instance (not reference)?

[Steven Schveighoffer]

On Mon, 25 Feb 2013 20:09:05 -0500, Nick Sabalausky  
<SeeWebsiteToContactMe at semitwist.com> wrote:

> On Tue, 26 Feb 2013 01:54:44 +0100
> "bearophile" <bearophileHUGS at lycos.com> wrote:
>
>> Nick Sabalausky:
>>
>> > How can I get the size of a non-subclassed *instance*?
>>
>> Is this enough?
>>
>> http://dlang.org/traits.html#classInstanceSize
>>
>
> Ahh, yes, of course. I had a feeling I was overlooking something
> obvious. Thanks.

ClassInfo also has an init property which is a block of memory that is the  
default data in the class.  This is what druntime uses when allocating a  
class.

This would work to get the derived type length as well.

-Steve