Like getClass()

[Sergey Gromov]

Sat, 27 Sep 2008 19:50:18 +0200,
torhu wrote:
> obj.classinfo doesn't work the way you'd expect with an interface, but 
> it works when you've got an object:
> 
> writefln((cast(Object)thing).classinfo.name);

Thanks for the tip!  It seems like classinfo of an interface contains 
information about the most derived interface implemented in an object:

interface a {}
interface aa : a {}
class A : aa {}
void main() {
    writefln((cast(a) new A).classinfo.name);
}

prints "test.aa".  Though this functionality is of questionable 
usefulness (has anybody used it for something?) and besides it's broken:

interface a {}
interface aa : a {}
class A : a, aa {}
void main() {
    writefln((cast(a) new A).classinfo.name);
}

prints "test.a" even though A implements the "aa" interface as well.