Answers for "check dictionary key exists swift"

0

swift 5 check if dictionary contains key

if let key = self.dictionary["key"] {
	print(key) // returns value
}

// OR
extension Dictionary {
  func contains(key: Key) -> Bool {
    self.index(forKey: key) != nil
  }
}
Posted by: Guest on June-01-2021
1

swift dictionary contains key

if let value = self.dictionary["key"] {
	print(value) // prints value
}

// OR
extension Dictionary {
  func contains(key: Key) -> Bool {
    self[key] != nil
  }
}
Posted by: Guest on June-07-2021

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