Minor OT, but I am too curious... do you have an example?
Are there really cases were turning lower case into upper case or
vice versa changes the length of a string?
Guido
> > std::string s("hello");
> > std::transform(s.begin(), s.end(), s.begin(), ::toupper);
> >
> > and
> > std::transform(s.begin(), s.end(), s.begin(), ::tolower);
> >
> > Not sure about the performance though
>
> That's flawed by construction. Uppercasing and lowercasing are string
> operations, since it can change length, *especially* if you do it in UTF-8.
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