Add Additive conformance to Array (#163)

dn-m · Sep 6, 2018 · c48ab68 · c48ab68
1 parent 88fbb7d
commit c48ab68
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/Sources/Algebra/AlgebraAdapters.swift b/Sources/Algebra/AlgebraAdapters.swift
@@ -60,6 +60,16 @@ extension Sequence where Element: Additive {
     }
 }
 
+extension Array: Additive {
+
+    // MARK: - Additive
+
+    /// - Returns: An `Array` with no elements.
+    public static var zero: Array {
+        return Array()
+    }
+}
+
 extension Set: Additive {
 
     // MARK: - Additive