JasonCanCode

func validateArray<T>(_ array: [T?]) -> [T] {
    var validElements: [T] = []

    for case let element? in array {
        validElements.append(element)
    }
    return validElements
}

JasonCanCode

import UIKit

// NOTE: percentageThreshold is shared across all instances of SwipeControl

private var percentageThreshold: Int = 75

private enum Direction {
    case left, right, none
}

JasonCanCode

import UIKit

/**
 In the xib IB, make the used custom view class (subclass of NibView)
 the File’s Owner and connect the view outlet to the xib view.
 */
class NibView: UIView {

    @IBOutlet weak private var view: UIView!
    var nibName: String {

JasonCanCode

/// Used to identify the intended format of a string when using the `attributedTextFromArray:` func of a UILabel extension.
enum FontType {
    case system, bold, italic, underlined
}

extension UILabel {
    /**
    Assigns attributed text to the label by iterating through an array of strings with associated FontTypes.

    Example use:

JasonCanCode

import UIKit

extension UIView {

    /// Checks the constraints of this view's superview, as well as all of it's subviews, for the constraint with the identifier passed.
    func constraint(withIdentifier identifier: String) -> NSLayoutConstraint? {
        if let constraint = superview?.constraintFiltered(identifier) {
            return constraint
        } else if let constraint = constraintFiltered(identifier) {
            return constraint

JasonCanCode

import UIKit

typealias ConnectionDrawing = Void -> Void

class LineGraphView: UIView {

    var data = [Double]()
    var offset: CGFloat = 0.0
    var shownRange = 0 ..< 0
    var maximumValueShown: Double = 0.0