Re: [boost] Re: Re: Optional, tie, and iterator_adaptor

From: Gregory Colvin (gregory.colvin_at_[hidden])
Date: 2003-09-01 13:53:40

On Monday, Sep 1, 2003, at 11:31 America/Denver, Joel de Guzman wrote:

> Fernando Cacciola <fernando_cacciola_at_[hidden]> wrote:
>
>> vector<>::begin returns an object with operators * and ->,
>> yet these objects are not pointers, and once that is learned,
>> people do not think they are pointers.
>
> Huh? pointer semantics (behavior) does not mean that they
> have to be pointers.

But would the following hold if p and q are optionl<int>?

*q = 1;
p = q;
*p = 2;
assert(*q == 2);