public enum Fonts: String {
    case fontAwesome5 = "FontAwesome5Free-Regular"
    case fontAwesome5Brand = "FontAwesome5Brands-Regular"
    case fontAwesome5Solid = "FontAwesome5Free-Solid"
    case iconic = "open-iconic"
    case ionicon = "Ionicons"
    case octicon = "octicons"
    case themify = "themify"
    case mapIcon = "map-icons"
    case materialIcon = "MaterialIcons-Regular"
    case segoeMDL2 = "Segoe mdl2 assets"
    case foundation = "fontcustom"
    case elegantIcon = "ElegantIcons"
    case captain = "captainicon"
}

label.parseIcon()

import SwiftIconFont
label.font = UIFont.icon(from: .fontAwesome5, ofSize: 50.0)
label.text = String.fontAwesome5Icon(code: "twitter")

import SwiftIconFont
twitterBarButton.icon(from: .fontAwesome5, code: "twitter", ofSize: 20)

import SwiftIconFont
twitterTabBarButton.icon(from: .fontAwesome5, code: "twitter", imageSize: CGSizeMake(20, 20), ofSize: 20)

import SwiftIconFont
let githubLogo = UIImage(from: .octicon, code: "logo-github", textColor: .black, backgroundColor: .clear, size: CGSize(width: 150, height: 50))

import SwiftIconFont
let githubLogoImageView: UIImageView = UIImageView(frame: CGRect(x: 120, y: self.view.frame.size.height - 130, width: 150, height: 50))
githubLogoImageView.setIcon(from: .octicon, code: "logo-github", textColor: .black, backgroundColor: .clear, size: nil)