From b8f36b76003a3169d697c3a5b8cd7f114e337bac Mon Sep 17 00:00:00 2001
From: david-swift <haenerdavid@icloud.com>
Date: Sun, 7 Jul 2024 16:30:36 +0200
Subject: [PATCH] Add modify function for views

---
 Sources/Model/User Interface/View/AnyView.swift | 9 +++++++++
 Tests/SampleBackends/Backend1.swift             | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Sources/Model/User Interface/View/AnyView.swift b/Sources/Model/User Interface/View/AnyView.swift
index 063ef99..db0ec41 100644
--- a/Sources/Model/User Interface/View/AnyView.swift	
+++ b/Sources/Model/User Interface/View/AnyView.swift	
@@ -75,6 +75,15 @@ extension AnyView {
         || result as? Body != nil
     }
 
+    /// Apply a modification onto a view.
+    /// - Parameter action: The modifications.
+    /// - Returns: The modified view.
+    public func modify(action: (inout Self) -> Void) -> Self {
+        var newSelf = self
+        action(&newSelf)
+        return newSelf
+    }
+
 }
 
 /// `Body` is an array of views.
diff --git a/Tests/SampleBackends/Backend1.swift b/Tests/SampleBackends/Backend1.swift
index 4606dac..f03e43c 100644
--- a/Tests/SampleBackends/Backend1.swift
+++ b/Tests/SampleBackends/Backend1.swift
@@ -90,7 +90,7 @@ public enum Backend1 {
 
         public func container<Storage>(modifiers: [(any AnyView) -> any AnyView], type: Storage.Type) -> ViewStorage where Storage: AppStorage {
             let storage = ViewStorage(nil)
-            storage.renderableContent[.mainContent] = (content as [Renderable]).storages(type: MenuElement.self, fields: [:]) ?? []
+            storage.renderableContent[.mainContent] = (content as [Renderable]).storages(type: MenuElement.self, fields: [:])
             return storage
         }