Question

How to add a range of elements of an array to another array in Swift

Answer 1

var source = [10, 20, 30, 40, 50, 60, 70]
var target = [1, 2]

// Add elements from index 2 to 5 (30, 40, 50)
target += source[2..<5]

print(target)  



/*
run:

[1, 2, 30, 40, 50]

*/

 

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Answer 2

var source = [10, 20, 30, 40, 50, 60, 70]
var target = [1, 2]

// Add elements from index 2 to 5 (30, 40, 50)
let range = source[2..<5]
target.append(contentsOf: range)

print(target)  



/*
run:

[1, 2, 30, 40, 50]

*/

 

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