On Wed, Jul 18, 2012 at 7:23 PM, Lubos Lunak <l.lunak@suse.cz> wrote:
But it is correct that you get an error in the second case and you ideally
should be getting one in the first case as well. You cannot modify the
elements of the vector because that might modify what defines their position
in their sorted order, isn't that so? That is exactly the reason for those
Ummm. No.
The sorted_vector class is not intended for storing primitive values.
Virtually all of the use-cases create a custom comparator operation.
Almost all of time, we are storing complex structs/classes in these
vectors, and they have numerous fields that can and do need to be
easily modifiable.
Returning const-only references defeats that.
So we end up having to cast away the const-ness most of the time,
which makes the supposed protection worthless.
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