Is there an object on given memory address?

[tcak via Digitalmars-d-learn]

On Thursday, 12 February 2015 at 10:03:18 UTC, tcak wrote:
> Is there any "reliable" way to determine whether there is a 
> certain type of object in memory at a given address?
>
> I am going to send the memory address of an object to another 
> program over pipes. Then after a while, other program will send 
> that memory address, and main program will try to address the 
> object. (Please do not concern about security). What I am 
> worried about is whether the object is still there, or garbage 
> collector has already removed it, or another object has come on 
> same address.

BTW, I have already got the address of object into a "size_t" 
type variable and sent it. That is not the problem part.