In this Swift tutorial, you will learn how to use the flatMap function in Swift which will flatten an Array of Arrays into a single array of elements. Given Array of Arrays Let’s consider the following Array of Arrays. let numbers = [ [1,2,3,4], [5,6,7,8], [9,10,11,12]] The above array contains 3 arrays of integers. We can…Read More How to Use flatMap in Swift. Code Examples.
In this short Swift tutorial, you will learn how to use one of the High Order Functions in Swift called map(_:) to apply a transformation to each element in an Array. Given an Array of Names Let’s consider an Array of String values: let names = [“sergey”, “michael”, “john”, “bill”, “tom”] All values in this Array…Read More How to Use map(_:) in Swift. Code Examples.