我想在swift中过滤字典:
var data: [String: String] = [:]
data = data.filter { $0.1 == "Test" }
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上面的过滤器代码在swift 2下编译但产生以下错误:
无法将类型'[(String,String)]'的值赋给类型'[String:String]'的值
这是swift编译器中的一个错误,还是这不是在swift中过滤字典的正确方法?
非常感谢你提前!
我有一个带字典的数组示例:
(
{
Email = "kate-bell@mac.com";
Name = "Kate Bell";
Number = "(555) 564-8583";
},
{
Email = "d-higgins@mac.com";
Name = "Daniel Higgins";
Number = "555-478-7672";
}
)
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我想根据密钥"名称"过滤这个字典
func searchBar(searchBar: UISearchBar, textDidChange searchText: String) {
let predicate = NSPredicate(format:"Name == %@", searchText)
let filteredArray = (arrContact as NSMutableArray).filteredArrayUsingPredicate(predicate)
print(filteredArray)
if(filteredArray.count == 0){
searchActive = false;
} else {
searchActive = true;
}
tblData.reloadData()
}
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我总是从上面的swift代码得到空数组.请帮我解决这个问题.谢谢
nsmutablearray uisearchbar nsmutabledictionary nspredicate swift2