[Qt-interest] forward declaration

[Boudewijn Rempt]

On Sat, 20 Dec 2008, ami guru wrote:

> Hello forum,
> 
> is there any difference between
> 
> class QTextDocument;
> 
> AND
> 
> QT_FORWARD_DECLARE_CLASS(QTextDocument)

This adds QT_BEGIN_NAMESPACE and QT_END_NAMESPACE around the forward declaration
if QT_NAMESAPCE is defined. 

Boudewijn