Objective C Segmentation Fault when using "NO" value in NSDictionary

Why do I g开发者_如何学JAVAet a Segmentation Fault when using a NO value in an NSDictionary?

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You can only put instances of objects in a dictionary, set or array. Primitive types are not allowed, hence the segmentation fault.

Use a NSNumber instead:

[ dict setObject: [ NSNumber numberWithBool: yourBool ] forKey: @"..." ];