Split large Array in Array of two elements

Question

I have large list of objects and I need to split them in a group of two elements for UI propouse.

Example:

[0, 1, 2, 3, 4, 5, 6]

Becomes

Answer 1

Maybe not the most efficient solution, but the most direct solution:

func toPairs(numbers:[Int])->[[Int]]
{
    var pairs:[[Int]]=[]
    var pair:[Int]=[]
    for var index=0;index

Output on my laptop:

[[0, 1], [2, 3], [4, 5]]
Program ended with exit code: 0