Automatic using ::rtl::OUString etc.

[Lubos Lunak]

On Tuesday 18 of September 2012, Stephan Bergmann wrote:
> On 07/16/2012 04:03 PM, Lubos Lunak wrote:
> >   FYI, this is now in. The stable modules (sal/, salhelper/, cppu/,
> > cppuhelper/) build without it and there's additionally a check including
> > all their .hxx's to verify them. The rest of LO can now use
> > OUString&friends without the explicit rtl.
>
> It turns out that one drawback of this is with header files that are
> careful to only declare the incomplete type via
>
>    namespace rtl { class OUString; }
>
> (instead of including rtl/ustring.hxx) if that is all they need.  They
> would either need to continue using "rtl::OUString" (instead of just
> "OUString"), or need to duplicate the using declaration (which could be
> considered breaking of encapsulation), or include rtl/ustring.hxx instead.

 Is there any practical reason not to include rtl/ustring.hxx? I'd say that 
the file eventually ends up included by pretty much all .cxx files, so a 
forward declaration of such a basic class does not gain anything.

-- 
 Lubos Lunak
 l.lunak at suse.cz