best way to test for NSString / NSCFString type of object?
best way to test for NSString / NSCFString type of object?
- Subject: best way to test for NSString / NSCFString type of object?
- From: Ben Dougall <email@hidden>
- Date: Fri, 3 Oct 2003 01:32:18 +0100
i've got a method that sometimes returns an NSString other times other
types of object. whatever's returned i put straight into an
NSMutableArray. i want to keep adding to the array until there's an
NSString, so i put this line in to test for that just after adding to
the array:
if( [[[array lastObject] className] isEqual:@"NSString"] ) {
...
it never successfully detected a string. i printed out the object types
to see what was going on and the NSStrings had unexpectedly turned into
the class type NSCFString. changing the test to that then worked fine,
but is that safe? will it always be NSCFString rather than NSString?
what's the best way to make that test? and how come it's changed?
thanks, ben
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