delegate reference

[Daniel Keep]

Saaa wrote:
> "Daniel Keep" <daniel.keep.lists at gmail.com> wrote in message 
> news:h88cck$1orc$1 at digitalmars.com...
>>
>> Saaa wrote:
>>> abstract class C
>>> {
>>>  int method();
>>> }
>>> class C2:C
>>> {
>>>  int method() return 2;
>>> }
>>> class C3:C
>>> {
>>>  int method() return 3;
>>> }
>>> int delegate() deleg;
>>> void main()
>>> {
>>>  C c;
>>>  C2 c2 = new C2;
>>>  C3 c3 = new C3;
>>>  c=c2;
>>>  deleg = &c.method;
>>>  writefln(deleg()); // 2
>>>  c=c3;
>>>  writefln(deleg()); // 2
>>>  // I expected this to write 3, why is this not so?
>> Because you didn't reassign deleg.
> but isn't deleg pointing to c's method? 

Yes... just because you change what c points to doesn't magically
rewrite all other references.

You might want to read http://digitalmars.com/d/1.0/type.html#delegates