Re: [Boost-users] Usage of Boost.Optional

Subject: Re: [Boost-users] Usage of Boost.Optional
From: John Dlugosz (JDlugosz_at_[hidden])
Date: 2010-11-29 11:45:57

Other answers to my original post prompted me to look closer at the header file.  Besides reset() being deprecated in favor of operator=, the implementation of the latter includes a generic forwarding mechanism that naturally works for the same things the constructor does.  So it's either an unintended accident, or poor documentation, but assigning a in-place should work.

> -----Original Message-----
> From: Marsh Ray [mailto:marsh_at_[hidden]]
> Sent: Saturday, November 27, 2010 6:47 PM
> To: boost-users_at_[hidden]
> Cc: John Dlugosz
> Subject: Re: Usage of Boost.Optional
> 
> On 10/28/2010 11:27 AM, John Dlugosz wrote:
> >
> > I think d.reset(in_place(args)) would do the trick, so I propose that
> > as a logical missing consequence of existing features.
> 
> I was (independently) looking for this today and came across this
> recent
> thread. So I agree with you that it seems like natural functionality
> that is conspicuously missing.
> 
> Optional even has a construct(in_place) method, but it's protected.

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