Re: NSInvocationOperation error

Thanks for your reply.

Actually the main motivation behind using NSInvocationOperation was to 
create dependent NSOperations and put them in the NSOperationQueue and 
analyse the output, as part of a programming project.

Is there any other way of achieving this using GNUstep?

On 12/3/2010 1:30 PM, Germán Arias wrote:
> Well, in the GNUstep documentation I don't see NSInvocationOperation
> class. Then, I suppose this class don't exist on GNUstep.
>
> On jue, 2010-12-02 at 21:36 -0800, aphuk wrote:
>> Hi, I am new to Objective-C and GNUstep so my question might be a little
>> basic but please help me out since I am stuck.
>>
>> We are trying to create an instance of a NSInvocationOperation and put it in
>> the NSOperationQueue as given below
>>
>> NSInvocationOperation* putOp = [[[NSInvocationOperation alloc]
>> initWithTarget:self selector:@selector(put)
>>                                                             object:[NSNumber
>> numberWithInt:5]] autorelease];
>>
>> But on compilation, I get the below error :
>>
>> NSInvocationOperation undeclared (first use in this function)
>>
>> What am I missing here?