Signals and Slots in D

[Tom S]

Tom S wrote:
> Walter Bright wrote:
>> Ok, before anyone jumps on me, this has all been discussed in 
>> http://www.digitalmars.com/d/archives/28456.html
>>
>> Looks like the deletion problem is a real issue. Let me think about it 
>> a bit.
> 
> could something like this work ?
> 
> 
> // ----
> 
(snip)
> 
> // ----
> 

due to a popular demand, the dtor in 'Observee' can be changed to:

	~this() {
		foreach (o; observers) o.observee = null;
	}