Add new product "ProcessedUtility"

- Added new property "loadedBinding"
- Added .constant initializers

Author: SwiftedMind

Package.swift

@@ -8,13 +8,21 @@ let package = Package(
   products: [
     .library(
       name: "Processed",
-      targets: ["Processed"]),
+      targets: ["Processed"]
+    ),
+    .library(
+      name: "ProcessedUtility",
+      targets: ["Processed", "ProcessedUtility"]
+    ),
   ],
   targets: [
     .target(
-      name: "Processed"),
+      name: "Processed"
+    ),
+    .target(name: "ProcessedUtility", dependencies: ["Processed"]),
     .testTarget(
       name: "ProcessedTests",
-      dependencies: ["Processed"]),
+      dependencies: ["Processed"]
+    ),
   ]
 )

Sources/Processed/Process/Process.swift

@@ -203,6 +203,10 @@ extension Process {
       self = binding
     }
 
+    public static func constant(_ state: ProcessState<ProcessKind>) -> Self {
+      .init(state: .constant(state), task: .constant(nil))
+    }
+    
     /// Cancels the task of an ongoing process.
     ///
     /// - Note: You are responsible for cooperating with the task cancellation within the loading closures.

Sources/ProcessedUtility/Loadable+loadedBinding.swift

@@ -0,0 +1,27 @@
+// By Dennis Müller
+
+import OSLog
+import Processed
+import SwiftUI
+
+public extension Loadable.Binding {
+  /// Returns a binding to the associated value stored in the underlying `Loadable.loaded(value)` case. If that value
+  /// does not exist (for example, if the loadable is not in the `.loaded` state), `nil` is returned instead.
+  ///
+  /// You can pass this to a view that only wants to modify the _loaded data_ of the loadable without needing to change
+  /// its state.
+  ///
+  /// - Important: It is your responsibility to make sure the loadable stays in the `.loaded` state for the entirety
+  /// of this binding's existence. Any other state will cause the `set` closure to be a no-op.
+  var loadedBinding: Binding<Value>? {
+    guard let data = state.data else { return nil }
+    return Binding<Value> {
+      data
+    } set: { newValue in
+      guard case .loaded = state else {
+        return
+      }
+      state = .loaded(newValue)
+    }
+  }
+}