How to filter an Array in Swift?

When you have an Array of elements, and you want to drop all elements that don’t match specific criteria from the Array, you’re looking for Array’s filter(isIncluded:) method. Let’s say you have an array of words and you only want to keep the words that are longer than three characters: Read more…

Reversing an Array in Swift

You can reverse an Array, and any other Collection in Swift using the reverse method. For example var input = [1, 2, 3] print(input) // [1, 2, 3] input.reverse() print(input) // [3, 2, 1] The code above takes an array (input) and reverses it in-place using the reverse() method. This Read more…