When comparing pointers, is there any difference when writing:

int* p1, p2;
if(p1 == p2) {...}
if(p1 is p2) {...}

?

My guess would be that no, there isn't *but*:
*Using "==" shows the *intent* of comparing the pointer values?
*Using "is" shows the *intent* of checking if the pointed objects are the same?

Either that, or is it considered "best practice" to use "is" to compare pointers, because "==" and "is" have a different meaning in the context of using classes?

monarch_dodra:

> Either that, or is it considered "best practice" to use "is" to compare pointers,

For two pointers using "==" or "is" is the same. And I don't remember "best practices" about this. If your pointers later risk becoming class references, then it's better to use "is".

Bye,
bearophile

On Monday, 27 August 2012 at 16:33:46 UTC, bearophile wrote:
> monarch_dodra:
>
>> Either that, or is it considered "best practice" to use "is" to compare pointers,
>
> For two pointers using "==" or "is" is the same. And I don't remember "best practices" about this. If your pointers later risk becoming class references, then it's better to use "is".
>
> Bye,
> bearophile

TY for your reply.