D vs. placement new (for classes) aka why D needs .sizeof and .alignof for classes (values not references)

[torhu]

Frank Benoit (keinfarbton) wrote:
>> Which you know, and does as you say.  But then there is:
>> obj.classinfo.init.sizeof
>> 
>> Which will render the actual size of class instances.  :)
> 
> no, it doesn't :)

obj.classinfo.init.length is documented as 'init.length gives size in 
bytes of class'.