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Alex Rivera
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I'm using NSUSerDefaults to store user preferences. I remember reading somewhere that setting the keys as constants is a good idea - and I agree. The following code is what I currently have: [[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithInt:polygon.numberOfSides] forKey:@"polygonNumberOfSides"]; I tried changing this to: @implementation Controller NSString const *kPolygonNumberOfSides = @"polygonNumberOfSides"; -(void)savePolygonInfo { [[NSUserDefaults standardUserDefaults] setObject:[NSNumber numberWithInt:polygon.numberOfSides] forKey:kPolygonNumberOfSides]; } While this does work, it produces " warning: passing argument 1 of 'objectForKey:' discards qualifiers from pointer target type ". I'm keen to keep my code free from compiler warnings. How can I fix this warning?
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