I have an array of objects that consist of two properties: an NSString and a BOOL. I'd like to sort this array so that all the BOOLs that are YES appear before all the bools that are NO. Then I'd like for the list of objects that have the BOOL YES to alphabetized and I'd also like for the objects with the NO to be alphabetized. Is there some sort of library that can accomplish this in objective c? If not what is the most efficient way to do this?

ios objective-c cocoa-touch
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