Decrement index in a loop after Swift C-style loops deprecated

Question

How would you express a decrementing indexed loop in Swift 3.0, where the syntax below is not valid any more?

for var index = 10 ; index > 0; index-=1{
           


        

Answer 1

You can use stride method:

10.stride(through: 0, by: -1).forEach { print($0) }

or classic while loop.