How do I call super or object.opAssign for classes?

[Diego Canuhé]

Hi,
isn't that the way it's supposed to work? I mean

void show(int a) { writeln(a); }

void main() { show(null); }

won't compile either.
Shouldn't bar be some kind of pointer?

btw, today I read "opAssign can no longer be overloaded for class objects"
here:

http://www.d-programming-language.org/features2.html

is that no longer valid?
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