equatable AnimatableSectionModel

Author: AlexShubin

CHANGELOG.md

@@ -6,7 +6,7 @@ All notable changes to this project will be documented in this file.
 #### Enhancements
 * Reduce computational complexity. #242
 * Adapted for RxSwift 4.2
-* Makes SectionModel equatable when its model and items conforms to equatable.
+* Makes SectionModel and AnimatableSectionModel equatable when their model and items conforms to equatable.
 
 ## [3.1.0](https://github.com/RxSwiftCommunity/RxDataSources/releases/tag/3.1.0)
 

Sources/Differentiator/AnimatableSectionModel.swift

@@ -47,3 +47,14 @@ extension AnimatableSectionModel
     }
 
 }
+
+#if swift(>=4.1)
+extension AnimatableSectionModel
+    : Equatable where Section: Equatable {
+    
+    public static func == (lhs: AnimatableSectionModel, rhs: AnimatableSectionModel) -> Bool {
+        return lhs.model == rhs.model
+            && lhs.items == rhs.items
+    }
+}
+#endif

Sources/Differentiator/SectionModel.swift

@@ -36,19 +36,20 @@ extension SectionModel
     }
 }
 
+extension SectionModel {
+    public init(original: SectionModel<Section, Item>, items: [Item]) {
+        self.model = original.model
+        self.items = items
+    }
+}
+
 #if swift(>=4.1)
 extension SectionModel
     : Equatable where Section: Equatable, ItemType: Equatable {
+    
     public static func == (lhs: SectionModel, rhs: SectionModel) -> Bool {
         return lhs.model == rhs.model
             && lhs.items == rhs.items
     }
 }
 #endif
-
-extension SectionModel {
-    public init(original: SectionModel<Section, Item>, items: [Item]) {
-        self.model = original.model
-        self.items = items
-    }
-}