copying the targets of pointers
Jonathan M Davis
jmdavisProg at gmx.com
Fri Jul 27 10:51:45 PDT 2012
On Friday, July 27, 2012 10:32:07 Ali Çehreli wrote:
> On 07/27/2012 09:11 AM, monarch_dodra wrote:
> > This is going to sound stupid, but how do you have two pointers' targets
> > copy each other? since pointers are used like reference types, how do
> > you write the C++ equivalent of "*p1 == *p2"
>
> The type must provide a function to make a copy of itself. Since arrays
> have .dup, that may be a suitable name:
>
> auto newObject = object.dup;
That's only if you're dealing with references or if the pointers point to
structs which are reference types (or if they're pointers to arrays, which
would be a bit weird). If you're dealing with a built-in type or value type
structs, then no dup is necessary.
- Jonathan M Davis
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