Merge pull request #7 from cellular/feature/FixForXcode13.3

Feature/fix for xcode13.3

CellularModelDataSource.podspec

@@ -10,7 +10,7 @@ Pod::Spec.new do |spec|
  spec.name             = 'CellularModelDataSource'
  spec.swift_version    = '5.1'
  spec.module_name      = 'ModelDataSource'
- spec.version          = '6.0.0'
+ spec.version          = '6.1.0'
  spec.summary          = 'Easy TableView and CollectionView data handling.'
 
 # This description is used to generate tags and improve search results.

Sources/ModelDataSource/UIKit/CollectionView+ModelDataSourceView.swift

@@ -80,18 +80,31 @@ extension UICollectionView: ModelDataSourceView {
 
 // MARK: - ModelDataSourceViewDisplayable
 
-extension ModelDataSourceViewDisplayable where Self: UICollectionView {
+/// We need to add a typealias for each class that implements ModelDataSourceViewDisplayable
+/// to make Xcode13.3 / Swift 5.6 happy. Otherwise we would have to implement
+/// public static var staticSize: Size for every class separatelly.
+/// https://stackoverflow.com/questions/71563154/how-to-implement-static-variables-of-associated-types-in-protocol-extensions-in
+
+extension UICollectionViewCell {
+    public typealias Size = CGSize
+}
+
+extension UICollectionReusableView {
+    public typealias Size = CGSize
+}
+
+extension ModelDataSourceViewDisplayable where Self: UICollectionViewCell {
 
     /// Optional fixed size definition to override dynamic height calculations.
-    public static var staticSize: CGSize? {
+    public static var staticSize: Size? {
         return nil
     }
 }
 
 extension ModelDataSourceViewDisplayable where Self: UICollectionReusableView {
 
     /// Optional fixed size definition to override dynamic height calculations.
-    public static var staticSize: CGSize? {
+    public static var staticSize: Size? {
         return nil
     }
 }

Sources/ModelDataSource/UIKit/TableView+ModelDataSourceView.swift

@@ -49,18 +49,31 @@ extension UITableView: ModelDataSourceView {
 
 // MARK: - ModelDataSourceViewDisplayable
 
+/// We need to add a typealias for each class that implements ModelDataSourceViewDisplayable
+/// to make Xcode13.3 / Swift 5.6 happy. Otherwise we would have to implement
+/// public static var staticSize: Size for every class separatelly.
+/// https://stackoverflow.com/questions/71563154/how-to-implement-static-variables-of-associated-types-in-protocol-extensions-in
+
+extension UITableViewCell {
+    public typealias Size = CGFloat
+}
+
+extension UITableViewHeaderFooterView {
+    public typealias Size = CGFloat
+}
+
 extension ModelDataSourceViewDisplayable where Self: UITableViewCell {
 
     /// Optional fixed size definition to override dynamic height calculations.
-    public static var staticSize: CGFloat? {
+    public static var staticSize: Size? {
         return nil
     }
 }
 
 extension ModelDataSourceViewDisplayable where Self: UITableViewHeaderFooterView {
 
     /// Optional fixed size definition to override dynamic height calculations.
-    public static var staticSize: CGFloat? {
+    public static var staticSize: Size? {
         return nil
     }
 }