Convert nested array in swift to single dimensional array

Question

I have a structure like [[[ ]]] which I want to convert to [].

E.g. [ [ [ \"Hi\" ] ] ] into [ \"Hi\" ]

How

Answer 1

Use reduce(_:_:) with your array this way.

let array = [[["One","Two","Three"],["Four","Five"]],[["Six"]]]
let newArray = array.reduce([]) { $0 + $1.reduce([]){ $0 + $1 } }
print(newArray) //["One", "Two", "Three", "Four", "Five", "Six"]