samuel-mellert

@interface NSObject (KVO)

- (void)safelyRemoveObserver:(nonnull NSObject *)observer forKeyPath:(nonnull NSString *)keyPath;

@end

samuel-mellert

//
//  UIFont+MonospacedDigitsFont.swift
//
//  Created by Samuel Mellert on 29/12/15.
//

import UIKit

extension UIFont {
    

samuel-mellert

//
//  UIFont+SizeAndWeight.swift
//
//  Created by Samuel Mellert on 08/01/16.
//

import UIKit

public enum FontWeight {
    case Normal

samuel-mellert

// Swift 2 code

func randomString(length: Int) -> String {
    let charactersString = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
    let charactersArray = Array(arrayLiteral: charactersString)
    
    var string = ""
    for _ in 0..<length {
        string += charactersArray[Int(arc4random()) % charactersArray.count]
    }

samuel-mellert

extension UIFont {
    
    static func monospacedDigitsSystemFontOfSize(fontSize: CGFloat, weight: CGFloat) -> UIFont {
        
        let originalFontDescriptor = UIFont.systemFontOfSize(fontSize, weight: weight).fontDescriptor()
        
        let fontDescriptorFeatureSettings = [
            [
                UIFontFeatureTypeIdentifierKey: kNumberSpacingType,
                UIFontFeatureSelectorIdentifierKey: kMonospacedNumbersSelector