Am 29.07.2011 12:00, schrieb Bernd: > I have run across another even more severe problem: Although using > reference counted interfaces makes everything work without memory > leaks there is one problem that gives all the nice syntactic sugar a > really bad taste: > > A := B > > I am not allowed to overload the assignment of equal types. This means > in the above I would have created a reference to B instead of a copy. > If I now do an operation on A that does *not* create a new instance of > it I will also change the value that B is pointing to, so I am > *forced* to make new instances even if I could in some cases easily > avoid them.
No. Just check the ref. count if you plan to do an operation on A: if it's >1, create a copy for A and operate on the copy. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
