[Issue 9249] Defining opCast disables Upcasting

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9249


Andrej Mitrovic <andrej.mitrovich at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |andrej.mitrovich at gmail.com


--- Comment #1 from Andrej Mitrovic <andrej.mitrovich at gmail.com> 2013-01-10 20:40:57 PST ---
What your sample is showing is downcasting, this is upcasting:

class C1
{
    public T opCast(T)()
        if (is(T == string))
    {
        return "C1";
    }
}

class C2 : C1
{
}

void main()
{
    C2 c2;
    C1 c1 = cast(C1)c2;
}

Both fail though.

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