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
}
}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
}
}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
}
}Copyright © 2021 Codeinu
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