RE: [Boost-Users] lexical_cast regression

From: Tom Matelich (tmatelich_at_[hidden])
Date: 2003-04-18 15:14:29

> From: Terje Slettebų [mailto:tslettebo_at_[hidden]]
> 
> >From: "Tom Matelich" <tmatelich_at_[hidden]>
> 
> > I haven't gone and looked at the boost ml archives to track 
> > the reason for
> > this down, but the addition of stream.unsetf(std::ios::skipws) in
> > lexical_cast caused some of our code to fail.  I've commented it out
> > locally, and was wondering why it was decided this is more 
> > appropriate default behavior.
> 
> It was done to avoid the problems with throwing exceptions on 
> whitespace.
> For example, without it, the following would throw a bad_lexical_cast:
> 
> lexical_cast<std::string>(' '); // A space character
> 
> What kind of code is the current version failing at?
> 

We have some legacy files that are converted to xml through some process (I
didn't write it) and it ends up with space-padded strings for ints.  So the
test case was dying converting " 86" to an int.

I can see its purpose, except that example wouldn't happen because of the
std::string overload, right?

Tom
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