Objective-C formatting string for boolean?

objective-c string nsstring string-formatting

One way to do it is to convert to strings (since there are only two possibilities, it isn't hard):

NSLog(@" %s", BOOL_VAL ? "true" : "false");

I don't think there is a format specifier for boolean values.

objective-c string nsstring string-formatting

I would recommend

NSLog(@"%@", boolValue ? @"YES" : @"NO");

because, um, BOOLs are called YES or NO in Objective-C.

objective-c string nsstring string-formatting

Use the integer formatter %d, which will print either 0 or 1:

NSLog(@"%d", myBool);

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