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@dani-mp
Created March 5, 2017 21:48
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Reduce example
func arrayToTuple(array: [Int]) -> (Int, Int, Int) {
return array.reduce((0, 0, 0)) { temp, item in
switch item {
case 0..<10: return (temp.0 + 1, temp.1, temp.2)
case 10..<100: return (temp.0, temp.1 + 1, temp.2)
default:
return item > 100 ? (temp.0, temp.1, temp.2 + 1) : temp
}
}
}
let a = [42, 7, 23, 146, 19]
let ar = arrayToTuple(array: a)
ar == (1, 3, 1)
let b = [1, 2, -34, 100, 33]
let br = arrayToTuple(array: b)
br == (2, 1, 0)
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