Re: [Boost-users] shared_ptr as reference argument

Subject: Re: [Boost-users] shared_ptr as reference argument
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-03-19 12:17:36

AMDG

anony wrote:
> Is there some utility in passing shared_ptr's as references as here:
>
> void bla(boost::shared_ptr<T>& bla_ptr);
>
> This avoids creating of a new object and copying overhead, but is it
> safe? When would you recommend it and when not?
>   

Why wouldn't it be safe?  Unless the function stores a pointer
or reference to the shared_ptr after it returns, there is no danger.

In Christ,
Steven Watanabe