带有NSError的NSLog和带有managedObjectContext的NSArray

Posted 2021-02-27

Prints content from an NSError or NSArray content from a managedObjectContext.

NSError *errord;
NSArray *array = [managedObjectContext executeFetchRequest:request
error:&errord];
if (!array) {
    NSLog(@"Error: %@", errord);
    return;
}
NSLog(@"Count of managedObjectContext: %d
%@", [array count], array);