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)
} // 2swift dictionary get key from valye
let dict: [Int: String] = [1: "one", 2: "two", 4: "four"]
if let key = dict.someKey(forValue: "two") {
print(key)
} // 2swift get keys from dictionary
componentArray = Array(dict.keys) // for Dictionary
componentArray = dict.allKeys // for NSDictionaryCopyright © 2021 Codeinu
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