Learn how to give default values for a swift dictionary. Swift dictionary returns an optional if we don't have any value for a key, unless we assign one default value.
ReadLearn how to search and filter in an array of dictionaries in swift with example. Search through the array items and create one new array of dictionaries by filtering out values based on specific properties.
ReadLearn how to transform swift dictionary values using mapValues method with example.
ReadIn this swift example, we will learn how to use the map() method with explanation and examples. map() is a useful method that uses one mapping function to apply on all of its elements.
ReadThis tutorial will show you how to create an array of dictionary elements in swift. If we put dictionaries in an array, it will create a array of dictionaries.
ReadLearn how to merge two dictionaries in swift with examples. We will show you how to use merge() and merging() methods to merge swift dictionaries.
ReadCheck if a swift dictionary is empty or not. We will learn two different ways to check that - one by using isEmpty and by using count.
ReadLearn how to check if all elements of a swift dictionary satisfy a given predicate with example. allSatisfy method is used for that. It takes one predicate and validates all members of a dictionary.
ReadLearn how to append data to a swift dictionary. Using a new dictionary key, we can append one new key-value pair to a dictionary in swift.
ReadSwift program to get all keys and values of a dictionary.keys and values are two instance properties of swift dictionary that we can use to get all keys and values.
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