Compare struct against null
    Heinz 
    malagana15 at yahoo.es
       
    Mon Apr 28 21:50:18 PDT 2008
    
    
  
downs Wrote:
> Heinz wrote:
> > Hi,
> > 
> > I have a simple struct and i want to check if a variable has been asigned:
> > 
> > struct hello
> > {
> > 
> > }
> > ...
> > hello h;
> > ...
> > if(!h)
> > {
> > do stuff;
> > }
> > 
> > When compiling i get erros about opCall not implemented and many others. What can i do?
> > 
> > Thanks in advance.
> 
> Structs are value types. Read the spec. Then use a pointer :)
> 
> hello* h;
> 
> if (!h) h = new hello;
> 
>  --downs
Thanks for your reply. Can i use then?:
 hello h;
if(!&h)
    
    
More information about the Digitalmars-d-learn
mailing list