Addressed Xcode warnings.

Author: mckaskle

StackViewController/SeparatorView.swift

@@ -56,6 +56,9 @@ open class SeparatorView: UIView {
             switch axis {
             case .horizontal: return .height
             case .vertical: return .width
+            @unknown default:
+                assertionFailure("Unknown axis. Assuming it should behave the same as vertical.")
+                return .width
             }
         }()
         sizeConstraint = NSLayoutConstraint(
@@ -81,6 +84,9 @@ open class SeparatorView: UIView {
             switch axis {
             case .horizontal: return .minXEdge
             case .vertical: return .maxYEdge
+            @unknown default:
+                assertionFailure("Unknown axis. Assuming it should behave the same as vertical.")
+                return .maxYEdge
             }
         }()
         let (_, separatorRect) = bounds.divided(atDistance: separatorInset, from: edge)

StackViewController/StackViewContainer.swift

@@ -69,6 +69,9 @@ open class StackViewContainer: UIView, UIScrollViewDelegate {
                 switch axis {
                 case .horizontal: return .vertical
                 case .vertical: return .horizontal
+                @unknown default:
+                    assertionFailure("Unknown axis. Assuming it should behave the same as vertical.")
+                    return .horizontal
                 }
             }()
             let separatorView = SeparatorView(axis: separatorAxis)
@@ -141,6 +144,9 @@ open class StackViewContainer: UIView, UIScrollViewDelegate {
             switch axis {
             case .horizontal: return .height
             case .vertical: return .width
+            @unknown default:
+                assertionFailure("Unknown axis. Assuming it should behave the same as vertical.")
+                return .width
             }
         }()
         stackViewSizeConstraint =

StackViewController/UIStackViewExtensions.swift

@@ -9,7 +9,7 @@
 import UIKit
 
 public extension UIStackView {
-    @objc public func removeAllArrangedSubviews() {
+    @objc func removeAllArrangedSubviews() {
         arrangedSubviews.forEach {
             $0.removeFromSuperview()
         }

StackViewController/UIViewExtensions.swift

@@ -9,7 +9,7 @@
 import UIKit
 
 public extension UIView {
-    @objc public func activateSuperviewHuggingConstraints(insets: UIEdgeInsets = UIEdgeInsets.zero) -> [NSLayoutConstraint] {
+    @objc func activateSuperviewHuggingConstraints(insets: UIEdgeInsets = UIEdgeInsets.zero) -> [NSLayoutConstraint] {
         translatesAutoresizingMaskIntoConstraints = false
         let views = ["view": self]
         let metrics = ["top": insets.top, "left": insets.left, "bottom": insets.bottom, "right": insets.right]