Let’s create a Dictionary with two elements first. var myDictionary = [“first_name”: “Sergey”, “last_name”: “Kargopolov”] Now we can remove all elements from a Dictionary. myDictionary.removeAll() print(myDictionary) For more Swift code examples and tutorials, please check the Swift Code Examples page on this website.
Read More Remove All Items From a DictionaryFirst, let’s create a Dictionary with two elements. var myDictionary = [“first_name”: “Sergey”, “last_name”: “Kargopolov”] print(myDictionary) Now we can add a new key with a value. myDictionary[“user_id”] = “f5h7ru0tJurY8f7g5s6fd” We should now have 3 key-value pairs printed print(myDictionary) For more Swift code examples and tutorials, please check the Swift Code Examples page on this website.
Read More Add Item to a Dictionary in SwiftThere are a few ways to create an empty dictionary in Swift. Below are a few code snippets in Swift that demonstrate how to do it. Creating an Empty Dictionary The below code snippet will create an empty Dictionary that has a key and a value of a String data type. let myDictionary = [String:String]() Another…
Read More Create an Empty Dictionary in SwiftWe can use a simple for loop to iterate over a dictionary in Swift and access each key-value pair. Below is a very simple Swift code example that demonstrates how to create a new dictionary with default values and then loop through a dictionary and print out key-value pairs. Create a New Dictionary //Create Dictionary…
Read More Loop Through a Dictionary in SwiftIn this short tutorial, you will learn how to remove a single item from a dictionary in Swift as well as how to remove all items from a dictionary. Create a New Dictionary Let’s say you have created the following dictionary with a few key-value pairs in it. var myDictionary = [“firstName”: “Sergey”, “lastName”: “Kargopolov”,…
Read More Remove an Item From a Dictionary in SwiftThis page contains different code snippets on how to work with Dictionary in Swift. Create Empty Dictionary // Create an empty dictionary let myDictionary = [String:String]() // Another way to create an empty dictionary let myDictionary2:[String:String] = [:] // Keys in dictionary can also be of type Int let myDictionary3 = [Int:String]() Add Item…
Read More Working with Dictionary in Swift. Code Examples.In this very short Swift tutorial, you will learn how to loop or iterate over a dictionary in Swift and print out key/value pairs. Loop Through Dictionary // Create a Dictionary with two elements var myDictionary = [“first_name”: “Sergey”, “last_name”: “Kargopolov”] // Loop through dictionary and print key/value pair for (key,value) in myDictionary { print(“\(key)…
Read More Loop Through Dictionary in Swift