[an error occurred while processing this directive] [an error occurred while processing this directive][an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] (none) [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive][an error occurred while processing this directive] [an error occurred while processing this directive][an error occurred while processing this directive] [an error occurred while processing this directive][an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive] (none) [an error occurred while processing this directive] [an error occurred while processing this directive] [an error occurred while processing this directive][an error occurred while processing this directive]
 
[an error occurred while processing this directive] [an error occurred while processing this directive]
Skåne Sjælland Linux User Group - http://www.sslug.dk Home   Subscribe   Mail Archive   Forum   Calendar   Search
MhonArc Date: [Date Prev] [Date Index] [Date Next]   Thread: [Date Prev] [Thread Index] [Date Next]   MhonArc
 

Re: [PROGRAMMERING] [C++] new class, fail. Ønske s: NULL pointer



On Tue, 13 Jan 2004 14:00:24 +0100, John Mørck Hansen wrote:

> Du kunne gøre noget ala:
> 
>    class myClass {
>       public:
>          myClass() { // Gør noget... sæt _stat }
>          bool isNull() { return _stat; }
>          bool operator () () { return _stat; }

[...]

> Så kan du senere bruge:
> 
>    myClass *foo = new myClass();
>    if( !(*foo)() )   // bruger operator ()

[...]

Hvorfor have både isNull() og operator(), der gør præcis det samme?

-- 
Greetings from Troels Arvin, Copenhagen, Denmark



 
Home   Subscribe   Mail Archive   Index   Calendar   Search

 
 
Questions about the web-pages to <www_admin>. Last modified 2005-08-10, 22:43 CEST [an error occurred while processing this directive]
This page is maintained by [an error occurred while processing this directive]MHonArc [an error occurred while processing this directive] # [an error occurred while processing this directive] *