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