Answers for "swift key value"

swift dictionary get key from valye

let dict: [Int: String] = [1: "one", 2: "two", 4: "four"]

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

how to get list of value from specific keys in array object in swift

import Foundation

let strings = [
    "one",
    "two",
    "three"
]

let ints = strings.map { (string) -> Int in
    return string.count
}