DMD 0.161 release

[BCS]

Walter Bright wrote:
> Stewart Gordon wrote:
>> 
>> "Fixed Bugzilla 85  (now issues error message)"
>>
> 
> 85: It can't be made to work, because an interface handle is different 
> from a class handle. It doesn't work in C++, either, for the same reasons.

Anyway to get a cast? (If it is already there...)
Somthing like:

interface I{...}
class C : I {...}
...

C[] c;
I[] i;

c = ....;

i = cast(I)c;

// same as

i.length = c.length;
foreach(int j, C e; c)
	i[j] = (null !is e)?e:null;