Swifty Console Log

Console.swift

//
//  Console.swift
//
//  Created by c0ming on 16/7/15.
//  Copyright © 2016 c0ming. All rights reserved.
//

import Foundation

private let dateFormatter: DateFormatter = {
    let formatter = DateFormatter()
    formatter.dateFormat = "yyyy-MM-dd HH:mm:ss.SSS"
    return formatter
}()

public class Console {
    public static func log(_ messages: Any..., _ file: NSString = #file, _ line: Int = #line, _ function: String = #function) {
        #if DEBUG
            let timestamp = dateFormatter.string(from: Date())
            let className = file.components(separatedBy: "/").last!.replacingOccurrences(of: ".swift", with: "")
            let separator = " | "
            let message = messages.enumerated().map({ offset, element in
                return (offset == messages.count - 1) ? "\(element)" : "\(element)" + separator
            }).reduce("") {
                $0 + $1
            }
            
            print("\(timestamp) [\(className)] [#\(line)] [\(function)] \(message)")
        #endif
    }
}

override func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
    Console.log()
    Console.log(indexPath.row)
    Console.log(indexPath.section, indexPath.row, indexPath)
}

2016-07-18 14:35:52.655 [MyViewController] [#88] [collectionView(_:didSelectItemAt:)]
2016-07-18 14:35:52.655 [MyViewController] [#89] [collectionView(_:didSelectItemAt:)] 0
2016-07-18 14:35:52.655 [MyViewController] [#90] [collectionView(_:didSelectItemAt:)] 2 | 0 | [2, 0]