Plist vs. JSON for converting Encodable implementation to Any (Dictionary)

plistVjsonToDict.swift

import Foundation

struct LotsOfStuff: Codable {
    let x: Int
    let y: Int
    let z: Double
    let a: [String]
    let b: String
    let c: String
    let less: LessStuff
}

struct LessStuff: Codable {
    let x: Int
    let y: Int
    let a: String
}

var object = LotsOfStuff(x: 1, y: 2, z: 3.0,
                         a: ["this", "is", "a", "test"],
                         b: "this is a test", c: "of the emergancy broadcast system",
                         less: LessStuff(x: 4, y: 5, a: "I ❤️ Denver"))
do {
    var start: TimeInterval

    start = Date().timeIntervalSince1970
    for _ in [0..<1000000] {
        _ = try JSONSerialization.jsonObject(with: try JSONEncoder().encode(object))
    }
    print("json took: \(Date().timeIntervalSince1970 - start)")

    start = Date().timeIntervalSince1970
    for _ in [0..<1000000] {
        _ = try PropertyListSerialization.propertyList(from: try PropertyListEncoder().encode(object),
                                                       options: [], format: nil)
    }
    print("plist took: \(Date().timeIntervalSince1970 - start)")
} catch {
    print("error: \(error.localizedDescription)")
    exit(1)
}