Swift中的filterUsingPredicate给出错误“无效不能转换为NSArray”

Question

Hello I am not able to solve this error. please give me the relevant code for this

var predicate = NSPredicate(format: "offerTitle LIKE[cd] %@", regionName);
 var arrRegion : [NSArray] = arrOffers.filterUsingPredicate(predicate);

Second line gives error : " void convertible to NSArray "

Answer 1

filterUsingPredicate modifies a (mutable) array and does not return a result. What you probably want is

var arrRegion : NSArray = arrOffers.filteredArrayUsingPredicate(predicate)

which does not modify the receiver, but returns the filtered array.