Swift

This concise and straight-to-the-point article shows you how to create a set in Swift. Creating and initializing an empty set You can create an empty set by using…

Overview In Swift, the zip() function is used to create a sequence of pairs built out of two underlying sequences, where the elements of each pair are the…

In Swift, there are several ways to convert a dictionary into an array depending on what you want to get from the dictionary. Let’s see the following code…

Overview A Swift dictionary is a collection of unordered and unique key-value pairs. JSON is a lightweight and human-readable format for exchanging data. If you want to convert…

When developing apps with Swift, there might be cases where you need to merge two dictionaries, such as: To merge two dictionaries, you can use the dictionary.merge() method…

Using a for-in loop In Swift, you can use a for-in loop to iterate over the key-value pairs of a dictionary. Each item in the dictionary is returned…

This concise, example-based article walks you through a couple of different approaches to checking whether a key exists in a Swift dictionary. Using the keys property and the…

This concise article shows you a couple of different ways to remove a certain key-value pair from a dictionary in Swift. Without any further ado (like talking about…

There are two ways to add new key values to a given dictionary in Swift. Let’s explore them in this concise example-based article. Using the subscript syntax You…

Counting dictionary elements In Swift, you can count the number of elements in a given dictionary by using the count property. This property returns the total number of…