uzumaki42
uzumaki42
Programming language:Swift
2021-03-30 10:39:57
0
Q:

swift dictionary get key from valye

user619271
user619271
Code: Swift
2021-02-08 08:33:56 
var array_has_dictionary = [ // Start of array

   // Dictionary 1

   [ 
     "name" : "xxxx",
     "age" : "xxxx",
     "last_name":"xxx"
   ],

   // Dictionary 2

   [ 
     "name" : "yyy",
     "age" : "yyy",
     "last_name":"yyy"
   ],

 ] // end of array


cell.textLabel?.text =  Array(array_has_dictionary[1])[1].key
// Output: age -> yyy
2
Travis
Travis
Code: Swift
2021-07-03 19:09:16 
let dict: [Int: String] = [1: "one", 2: "two", 4: "four"]

if let key = dict.someKey(forValue: "two") { 
    print(key)
} // 2
0

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