RE: CodeWarrior and Objective-C warnings
RE: CodeWarrior and Objective-C warnings
- Subject: RE: CodeWarrior and Objective-C warnings
- From: Jeff Laing <email@hidden>
- Date: Thu, 2 Dec 2004 11:52:35 +1100
My
guess would be to make your statusCode part of a formal protocol and then use an
explicit cast once you are sure that response implements the
protocol.
Alternately, if you are going to use
respondsToSelector: to test viability, you could use performSelector: to
actually invoke it.
I have code that looks like this
- (void)connection:(NSURLConnection *)connection
didReceiveResponse:(NSURLResponse *)response
{
if( [response
respondsToSelector:@selector(statusCode)] )
{
if( [response statusCode] == 200 )
{
// stuff
}
}
}
When I call [response statusCode] in the code above, CodeWarrior
warns that "receiver cannot handle this message." Obviously this was taken
care of on the previous line, but I can see how a compiler might not
understand this :) How can I placate the compiler and silence the warning
(other than disabling warnings)?
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