Boost logo

Boost :

Subject: Re: [boost] scoped_ptr deleter
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2009-09-15 08:27:38

Berserker wrote:
> The "noncopyable nature" of scoped_ptr allows to support
> deleters with simply an extra template
> parameter (default value is boost::checked_deleter): this
> change doesn't require extra memory
> overhead (like in shared_ptr) and it consists of 2 lines.

That change creates multiple, distinct classes. shared_ptr<T,boost::checked_deleter<T>> is not the same as shared_ptr<T,my_deleter<T>>. By embedding the deleter in the shared_ptr with type erasure, shared_ptr<T> is shared_ptr<T> is shared_ptr<T>, regardless of the deleter.

> Any hope to apply this patch?

None, unless I'm much mistaken.

Rob Stewart robert.stewart_at_[hidden]
Software Engineer, Core Software using std::disclaimer;
Susquehanna International Group, LLP

IMPORTANT: The information contained in this email and/or its attachments is confidential. If you are not the intended recipient, please notify the sender immediately by reply and immediately delete this message and all its attachments. Any review, use, reproduction, disclosure or dissemination of this message or any attachment by an unintended recipient is strictly prohibited. Neither this message nor any attachment is intended as or should be construed as an offer, solicitation or recommendation to buy or sell any security or other financial instrument. Neither the sender, his or her employer nor any of their respective affiliates makes any warranties as to the completeness or accuracy of any of the information contained herein or that this message or any of its attachments is free of viruses.

Boost list run by bdawes at, gregod at, cpdaniel at, john at