Re: Accessing C++ class method from ObjC++ code
Re: Accessing C++ class method from ObjC++ code
- Subject: Re: Accessing C++ class method from ObjC++ code
- From: "stephen joseph butler" <email@hidden>
- Date: Sun, 18 Nov 2007 12:43:39 -0600
On Nov 18, 2007 12:31 PM, Charles Hamel <email@hidden> wrote:
> Sorry for the confusion
n/p
> Get Info on Vision.mm, then Targets Tab, check the box.
Okay. Are namespaces involved? Are you sure the function signature
matches? If your header is this:
class Vision {
public: void analyze(NSMutableArray* a);
};
Then your implementation needs to be this:
void Vision::analyze(NSMutableArray* a);
Basically, your error message is telling us something quite simple.
The linker can't find the implementation of the function you declared
in the header. Usually this means one of two things:
1) The implementation file isn't in the target. But it looks like it is.
2) The function signature for the implementation doesn't match the declaration.
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