Swift makes it easy to create arrays in your code using an array literal: simply surround a comma-separated list of values with square brackets. Without any other information, Swift creates an …

Returns an array containing the concatenated results of calling the given transformation with each element of this sequence.

You can sort any mutable collection of elements that conform to the Comparable protocol by calling this method. Elements are sorted in ascending order. Here’s an example of sorting a …

The first element of the collection.

Discussion The following example uses the first(where:) method to find the first negative number in an array of integers:

Alternatively, a predicate can be satisfied by a range of Equatable elements or a general condition. This example shows how you can check an array for an expense greater than $100.

Discussion This example shows how an array of [Int] instances can be joined, using another [Int] instance as the separator:

Sharing indices between collections and their subsequences is an important part of the design of Swift’s collection algorithms. Suppose you are tasked with finding the first two days with …

In the following example, the predicate provides an ordering for an array of a custom HTTPResponse type. The predicate orders errors before successes and sorts the error …

The ContiguousArray type is a specialized array that always stores its elements in a contiguous region of memory. This contrasts with Array, which can store its elements in either a …