Re: [boost] [fusion-2]: Problems with as_map on empty views

From: Eric Niebler (eric_at_[hidden])
Date: 2006-01-03 15:21:32

dan marsden wrote:
> --- Andreas Pokorny <andreas.pokorny_at_[hidden]> wrote:
> 
>>Hi there, 
>>
>>I have a slight problem with the construction of a
>>map with fusion::as_map 
>>on an empty view: 
> 
>>Should I check if the view is empty before running
>>as_map?
> 
> No you should not need to check for empty sequences
> passed to
> as_map. This behaviour was caused by a defect in
> fusion's comparison of the iterators of filter_view.
> I've checked a fix into cvs and added a test to cover
> the behaviour.
> 
> Compiling your example with the latest version then
> seems to be ok.
> 
> Thanks for picking this one up!

Where is fusion-2 checked in? I'd like to port this fix to Boost main 
CVS. This problem has been bugging me since November, when I first 
reported it to Joel.

-- 
Eric Niebler
Boost Consulting
www.boost-consulting.com