Null object: Difference between revisions
Content added Content deleted
(Fixing an error in Objective-C semantics) |
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NSLog("object is nil"); |
NSLog("object is nil"); |
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}</lang> |
}</lang> |
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An interesting thing is that in Objective-C, it is possible to send a message to <code>nil</code>, and the program will not crash (nothing will be executed |
An interesting thing is that in Objective-C, it is possible to send a message to <code>nil</code>, and the program will not crash or raise an exception (nothing will be executed and <code>nil</code> will be returned in place of the usual return value). |
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<lang objc>[nil fooBar];</lang> |
<lang objc>[nil fooBar];</lang> |
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