Swift 5.7: Shorthand for optional unwrapping

How can we insert an item into an array efficiently?

Sometimes we have to insert items to the first indices of the array The easiest solution can be: var array = [1,2,3,4,5,6,7,8,9] array.insert(0, at: 0) print(array) this solution is going to work, but is it efficient? Looking into the Apple Doc...