rayfix

//
//  main.swift
//  findsize
//
//  Created by Ray Fix on 2/6/16.
//  Copyright © 2016 Neko Labs. All rights reserved.
//

import Foundation

jesskturner

extension String {
    /// Truncates the string to length number of characters and 
    /// appends optional trailing string if longer
    func truncate(length: Int, trailing: String? = nil) -> String {
        if self.characters.count > length {
            return self.substringToIndex(self.startIndex.advancedBy(length)) + (trailing ?? "")
        } else {
            return self
        }
    }