Hi. What does .2 mean in print(statistic.2) in this code:
func calculateStatistics(scores: [Int]) -> (min: Int, max: Int, sum: Int) {
var min = scores[0]
var max = scores[0]
var sum = 0
for score in scores {
if score > max {
max = score
} else if score < min {
min = score
}
sum += score
}
return (min, max, sum)
}
let statistics = calculateStatistics(scores: [5, 3, 100, 3, 9])
print(statistics.sum)
print(statistics.2)
Thank you in advance.
God bless, Proverbs 31
In Swift, `.n` (where n is a non-negative integer) represents the n-th member of a tuple.
So, in your case, `statistics.2` is equivalent to `statistics.sum`.
Thanks. I wish Swift would just standardized how they access items in collections:
sometimes it's the exact name like beatles.paul, for arrays its index [0], now here, it's I guess it's like a combination of an index and a name; and that indexes start with 1 (coz' that's more intuitive than starting with 0), so that Swift become even more safe programming language for the 21st century:-)
Though, thanks again.
Advanced Merry Christmas.
