Is there an Objective-C equivalent to Swift's fatalError?

ios objective-c swift overriding subclass

You can raise an exception in this case. Something like this:

[NSException raise:@"InitNotImplemented" format:@"Subclasses must implement a valid init method"];

ios objective-c swift overriding subclass

NSAssert(NO, @"balabala");

- (instancetype)init NS_UNAVAILABLE;

========== Update ==========

Thanks to @Cœur

NSAssert is disabled by default in production, which is different with FatalError. NSException is better.

ios objective-c swift overriding subclass

Best practice is to declare in the .h:

(instancetype)init __attribute__((unavailable("init() is unavailable")));

Then the compiler won't compile if anyone calls it.

CodeHunter