andr3a88

// Like an if statement, guard executes statements based on a Boolean value of an expression. 
// Unlike an if statement, guard statements only run if the conditions are not met. 
// You can think of guard more like an Assert, but rather than crashing, you can gracefully exit.
    
    func fooGuardNonOptional(x: Int) {
        guard x > 0 else {
            // Value requirements not met, do something
            return
        }
        

andr3a88

sectionLoop: for section in sections {
    rowLoop: for row in rows {
        if row.isMagical {
            break sectionLoop
        }
    }
}

andr3a88

import Foundation
import RealmSwift

protocol CascadingDeletable {
    var cascadingDeletions: [AnyObject?] { get }
}

extension Realm {
    
    func delete<T: AnyObject>(_ objects: List<T>, cascade: Bool = true) where T: CascadingDeletable {

andr3a88

enum Storyboard: String {
    case menu = "Menu"
    case login = "Login"
    case profile = "Profile"
    case map = "Map"
    case settings = "Settings"
    
    public func instantiate<VC: UIViewController>(_ viewController: VC.Type) -> VC {
        guard let vc = UIStoryboard(name: self.rawValue, bundle: nil).instantiateViewController(withIdentifier: VC.storyboardIdentifier) as? VC
            else { fatalError("Couldn't instantiate \(VC.storyboardIdentifier) from \(self.rawValue)") }

andr3a88

protocol ReuseIdentifying {
    static var reuseIdentifier: String { get }
}

extension ReuseIdentifying {
    static var reuseIdentifier: String {
        return String(describing: Self.self)
    }
}

andr3a88

    /// Add a child view controller
    ///
    /// - Parameter child: The child view controller
    func add(_ child: UIViewController) {
        addChildViewController(child)
        view.addSubview(child.view)
        child.didMove(toParentViewController: self)
    }

andr3a88

import UIKit

extension URL {

    func getValueForQueryParameter(name: String) -> String? {
        let urlComponents = URLComponents(url: self, resolvingAgainstBaseURL: true)
        return urlComponents?.queryItems?.first(where: { (item) -> Bool in
            item.name == name
        })?.value
    }

andr3a88

disabled_rules: # rule identifiers to exclude from running
    - force_cast
    - legacy_constant
    - legacy_constructor
    - nesting
    - trailing_whitespace
    - type_name
    - identifier_name
    - cyclomatic_complexity
    - explicit_self

andr3a88

var test = [1, 2, 3]
var n = 5
let limit = n > test.count ? test.count : n
var test2 = test[0..<limit]
var test3 = test.prefix(n)

andr3a88

class RoutesViewController {
    
    /// ...
    
    func mapView(_ mapView: GMSMapView, didTapAt coordinate: CLLocationCoordinate2D) {
        if let index = self.shouldSelectPath(mapView, coordinate: coordinate, routes: results, currentRouteIndex: routeIndex) {
            routeIndex = index
            updateRoute()
        }
    }