Re: [boost] [multiindex] internal scope_guard has changed access from public to protected

Subject: Re: [boost] [multiindex] internal scope_guard has changed access from public to protected
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2010-04-23 15:28:34

Thorsten Ottosen wrote:
>
> I'm using the scope_guard from multi_index/detail/scope_guard.hpp.
>
> It seems like a revision has made the destructor and copy-constructor
> protected instead of private. This is in some sense more

s/private/public/, I assume

> idiomatic, but it breaks a use that I have in my upcomming
> auto_buffer class. Basically
> I'm only constructing a scope_guard object when I know the code can
> throw, otherwise I construct a "null" scope_guard which is simply
> an instance of scope_guard_impl_base.

Why not provide a "null" scope_guard as a first class citizen rather than simply exposing implementation details to enable this use case?

_____
Rob Stewart                           robert.stewart_at_[hidden]
Software Engineer, Core Software      using std::disclaimer;
Susquehanna International Group, LLP  http://www.sig.com

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