[Boost-users] Re: tokenizer and wstring with VC7.1

From: Bronek Kozicki (brok_at_[hidden])
Date: 2004-02-22 16:09:32

On Sun, 22 Feb 2004 20:36:54 -0000, Keith MacDonald wrote:

> Hmmm.  I've been trying to use various members of the boost library as black
> boxes, but this issue highlights the danger of doing so.  I suppose a
> language keyword is needed to specify when a non-temporary object is
> required as an actual parameter.  Given that there's no such thing, perhaps
> it would be safer to eliminate such convenience constructors from the
> library?

I think that simplest thing to do would be to explain the problem in
tokenizer documentation. 

B.

PS. There is a chance that C++ will be enriched with syntax allowing to
detect rvalue (temporary value) used as function parameter, see:
http://std.dkuug.dk/jtc1/sc22/wg21/docs/papers/2002/n1377.htm