On Jan 29, 2010, at 6:44 PM, Chunk 1978 wrote: > i'm almost 100% sure it's not possible to return a nil on basic data > types, but just incase i'll post the question. > > ------------------------------------------------------ > - (float)panForSoundWithName:(NSString *)soundName > { > OpenALSound *sound = [soundDictionary objectForKey:soundName]; > if (!sound) return 0.0f; > return sound.pan; > } > ------------------------------------------------------ > > so above i'd like to write "if (!sound) return nil;". my reasoning is > because some attributes to a sound object (like pan) are created only > when the sound is initialized. if there is no sound object than there > should also be no pan value to return. unfortunately, the float > default 0.0f is also the default value for pan (range from -1.0 to > 1.0).
Another option besides those already mentioned is to use exceptions. Whether they're appropriate depends on whether calling -panForSoundWithName: on non-existent sounds is part of your normal control flow, I guess. -Michael _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com