Re: [boost] [system][filesystem v3] Question about error_code arguments

Subject: Re: [boost] [system][filesystem v3] Question about error_code arguments
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2009-10-20 16:14:27

OvermindDL1 wrote:
> > Stewart, Robert wrote:
> >> Beman Dawes wrote:
> >>
> >>> One particular concern is that as currently worded, the N2838
> >>> proposal requires throws() return a null reference, which they see
[snip]
>
> Why not have two functions of the same
> name, one takes a reference, the other a pointer, thus you can handle
> both cases and enforced that the reference cannot be null.

If you read the referenced proposal, you'll note that the idea was to avoid exploding interfaces to account for all functions using this error handling approach.  That is, for every such function, there must be an additional overload, whereas a single overload suffices with the proposed design.

_____
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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