From 455a156007f76dc0b8db2c20bf98124ad7139e96 Mon Sep 17 00:00:00 2001
From: Vladislav Kondrashkov <vladislav.kondrashkov@gmail.com>
Date: Wed, 2 Sep 2020 10:36:14 +0300
Subject: [PATCH 1/2] Extended Array2D to be conformed to Collection

---
 Sources/Bond/Data Structures/Array2D.swift | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/Sources/Bond/Data Structures/Array2D.swift b/Sources/Bond/Data Structures/Array2D.swift
index 0d591ff0..b4e0809a 100644
--- a/Sources/Bond/Data Structures/Array2D.swift	
+++ b/Sources/Bond/Data Structures/Array2D.swift	
@@ -219,3 +219,37 @@ extension Array2D {
         }
     }
 }
+
+// MARK: - Sequence conformance
+
+extension Array2D: Swift.Sequence {
+    public typealias Iterator = IndexingIterator<[Array2D.Section]>
+    
+    public func makeIterator() -> Iterator {
+        return sections.makeIterator()
+    }
+}
+
+// MARK: - Collection conformance
+
+extension Array2D: Collection {
+    public typealias Index = Int
+    
+    public var startIndex: Index {
+        return sections.startIndex
+    }
+    
+    public var endIndex: Index {
+        return sections.endIndex
+    }
+    
+    public subscript(position: Index) -> Iterator.Element {
+        precondition(indices.contains(position), "out of bounds")
+        let element = sections[position]
+        return element
+    }
+    
+    public func index(after i: Index) -> Index {
+        return sections.index(after: i)
+    }
+}

From aad8d2f89ecb60f16b93a945675e5ed4d3acbb2c Mon Sep 17 00:00:00 2001
From: Vladislav Kondrashkov <vladislav.kondrashkov@gmail.com>
Date: Wed, 2 Sep 2020 10:36:35 +0300
Subject: [PATCH 2/2] Extended Array2D with
 SectionedDataSourceChangesetConvertible

---
 .../SectionedDataSourceChangesetConvertible.swift           | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Sources/Bond/Data Sources/SectionedDataSourceChangesetConvertible.swift b/Sources/Bond/Data Sources/SectionedDataSourceChangesetConvertible.swift
index 7cd7b158..874c5ea2 100644
--- a/Sources/Bond/Data Sources/SectionedDataSourceChangesetConvertible.swift	
+++ b/Sources/Bond/Data Sources/SectionedDataSourceChangesetConvertible.swift	
@@ -75,6 +75,12 @@ extension Array: SectionedDataSourceChangesetConvertible {
     }
 }
 
+extension Array2D: SectionedDataSourceChangesetConvertible {
+    public var asSectionedDataSourceChangeset: OrderedCollectionChangeset<Array2D> {
+        return OrderedCollectionChangeset(collection: self, patch: [])
+    }
+}
+
 extension OrderedCollectionChangeset: SectionedDataSourceChangeset where Diff.Index: SectionedDataIndexPathConvertable, Collection: SectionedDataSourceProtocol {}
 
 extension OrderedCollectionChangeset: SectionedDataSourceChangesetConvertible where Diff.Index: SectionedDataIndexPathConvertable, Collection: SectionedDataSourceProtocol {