Re: [Boost-users] Safe to pass dereferenced anonymous shared_ptr?

Subject: Re: [Boost-users] Safe to pass dereferenced anonymous shared_ptr?
From: Edward Diener (eldiener_at_[hidden])
Date: 2013-11-05 21:43:39

On 11/5/2013 6:12 PM, Chris Stankevitz wrote:
> Q1: Is the below code dangerous?
> A1: Only if the anonymous shared_ptr is deleted before function f returns.
>
> Q2: Is the anonymous shared_ptr deleted before function f returns?
> A2: ?
>
> Thank you,
>
> Chris
>
> ===
>
> #include <iostream>
> #include <boost/make_shared.hpp>
>
> void f(const int& i)
> {
>    std::cout << "i = " << i << std::endl;
> }
>
> int main()
> {
>    f(*boost::make_shared<int>(42));
>
>    return 0;
> }

A2: No.

But this is C++ and has nothing to do with shared_ptr.