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swift 5 check if dictionary contains key

Wicked Wolf answered on June 1, 2021 Popularity 9/10 Helpfulness 5/10

answer swift 5 check if dictionary contains key

related swift dictionary contains key

swift 5 check if dictionary contains key

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

// OR
extension Dictionary {
  func contains(key: Key) -> Bool {
    self.index(forKey: key) != nil
  }
}

Popularity 9/10 Helpfulness 5/10 Language swift

Source: Grepper

Tags: contains dictionary key swift

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Contributed on Jun 01 2021

Wicked Wolf

0 Answers Avg Quality 2/10

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swift dictionary contains key

Comment

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

// OR
extension Dictionary {
  func contains(key: Key) -> Bool {
    self[key] != nil
  }
}

Popularity 9/10 Helpfulness 4/10 Language swift

Source: Grepper

Tags: contains contain

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Contributed on Jun 07 2021

calderwoodra

0 Answers Avg Quality 2/10

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swift 5 check if dictionary contains key

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