After updating Xcode to 7.3 I am having some warnings saying :
'++' is deprecated: it will be removed in Swift 3
The code where the warning appear is a function that merges two arrays:
arr4.append(arr1[i++])
I have tried changing it with :
arr4.append(arr1[i += 1])
but I get an error saying :
Cannot subscript a value of type '[[String]]' with an index of type '()'
The full code is:
let arr1 = [["aaa","111"],["bbb","222"],["ccc","333"]]
let arr2 = [["ddd","444"],["eee","555"],["fff","666"]]
var arr4 = zip(arr1, arr2).reduce([]) { ( newArr, p:(Array<String>, Array<String>)) -> [[String]] in
var arr = newArr
arr.append(p.0)
arr.append(p.1)
return arr
}
var i = arr4.count / 2
while i < arr1.count {
arr4.append(arr1[i++]) // WARNING
}
while i < arr2.count {
arr4.append(arr2[i++]) // WARNING
}
print(arr4)