More Array extensions

Author: andyfinnell

Sources/BaseKit/Extensions/Array+Ext.swift

@@ -116,3 +116,19 @@ public extension Array {
         }
     }
 }
+
+public typealias IdentifiableArray<Element> = Array<Element> where Element: Identifiable
+
+public extension IdentifiableArray {
+    subscript(byID id: Element.ID) -> Element? {
+        get {
+            first(where: { $0.id == id })
+        }
+        set {
+            guard let i = firstIndex(where: { $0.id == id }), let newValue else {
+                return
+            }
+            self[i] = newValue
+        }
+    }
+}