Error with NSComparator: incompatible block pointer types initializing
这样做NSComparator:
1 2 3 4 | NSComparator comparatore = ^NSComparisonResult(NSMutableDictionary *aDictionary, NSMutableDictionary *anotherDictionary) { return [[aDictionary objectForKey:@"Item"] localizedCaseInsensitiveCompare:[anotherDictionary objectForKey:@"Item"]]; }; lista = [listaNonOrdinata sortedArrayUsingComparator:comparatore]; |
我收到此错误:
初始化'int(^)(struct NSMutableDictionary *,struct NSMutableDictionary *)'的不兼容块指针类型,预期为'NSComparator'
我已经在此站点和官方指南上阅读了有关此错误的信息,但尚未找到解决方案。
我已经尝试了一切,也许这里有人可以帮助我,或者有人知道如何以另一种方式做同样的事情。
谢谢!
1 2 3 4 | NSComparator comparatore = ^NSComparisonResult(id aDictionary, id anotherDictionary) { return [[aDictionary objectForKey:@"Item"] localizedCaseInsensitiveCompare:[anotherDictionary objectForKey:@"Item"]]; }; lista = [listaNonOrdinata sortedArrayUsingComparator:comparatore]; |