insert(_:at:)

Inserts a new element at the specified position.

mutating func insert(_ newElement: Element, at i: Int)

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FNV24 hash: 2CZAM

Parameters

newElement: The new element to insert into the array.
i: The position at which to insert the new element. index must be a valid index of the array or equal to its endIndex property.

The new element is inserted before the element currently at the specified index. If you pass the array’s endIndex property as the index parameter, the new element is appended to the array.

var numbers = [1, 2, 3, 4, 5]
numbers.insert(100, at: 3)
numbers.insert(200, at: numbers.endIndex)

print(numbers)
// Prints "[1, 2, 3, 100, 4, 5, 200]"