[Swift] Measuring execution time by using Date object

measure.swift

//
//  measure.swift
//
//  Created by 홍경표 on 2021/05/31.
//

import Foundation

final class Util {
    class func measure(_ description: String = "", _ function: () -> ()) {
        let start = Date()
        function()
        let end = Date()
        let description = description.isEmpty ? "" : "[\(description)] "
        print("\(description)Execution Time:", end.timeIntervalSince(start))
    }
}

/*
var randoms = (1...100000).map { _ in Int.random(in: 1...1000) }
Util.measure {
    randoms.sort()
}

// let hugeStr = "..."
Util.measure("Split") {
    _ = hugeStr.split(separator: " ")
}
Util.measure("Components") {
    _ = hugeStr.components(separatedBy: " ")
}
*/