swift map array to dictionary
let myDictionary = myArray.reduce([Int: String]()) { (dict, person) -> [Int: String] in
var dict = dict
dict[person.position] = person.name
return dict
}
//[2: "b", 3: "c", 1: "a"]swift map array to dictionary
let myDictionary = myArray.reduce([Int: String]()) { (dict, person) -> [Int: String] in
var dict = dict
dict[person.position] = person.name
return dict
}
//[2: "b", 3: "c", 1: "a"]swift array map example
swift 5
// taken from developer.apple.com map(_:)
let cast = ["Vivien", "Marlon", "Kim", "Karl"]
let lowercaseNames = cast.map { $0.lowercased() }
// 'lowercaseNames' == ["vivien", "marlon", "kim", "karl"]
let letterCounts = cast.map { $0.count }
// 'letterCounts' == [6, 6, 3, 4]Copyright © 2021 Codeinu
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