Add priority to async fireAndForget. (#1084)

* Add priority to async fireAndForget.

* actually use priority

Author: mbrandonw

Sources/ComposableArchitecture/Effect.swift

@@ -260,16 +260,6 @@ public struct Effect<Output, Failure: Error>: Publisher {
     .eraseToEffect()
   }
 
-  /// Creates an effect that executes some work in the real world that doesn't need to feed data
-  /// back into the store.
-  ///
-  /// - Parameter work: A closure encapsulating some work to execute in the real world.
-  /// - Returns: An effect.
-  public static func fireAndForget(_ work: @escaping @Sendable () async -> Void) -> Effect {
-    Effect<Void, Never>.task { await work() }
-      .fireAndForget()
-  }
-
   /// Transforms all elements from the upstream effect with a provided closure.
   ///
   /// - Parameter transform: A closure that transforms the upstream effect's output to a new output.

Sources/ComposableArchitecture/Effects/Concurrency.swift

@@ -102,5 +102,21 @@ import SwiftUI
       }
       .eraseToEffect()
     }
+
+    /// Creates an effect that executes some work in the real world that doesn't need to feed data
+    /// back into the store.
+    ///
+    /// - Parameters:
+    ///   - priority: Priority of the underlying task. If `nil`, the priority will come from
+    ///     `Task.currentPriority`.
+    ///   - work: A closure encapsulating some work to execute in the real world.
+    /// - Returns: An effect.
+    public static func fireAndForget(
+      priority: TaskPriority? = nil,
+      _ work: @escaping @Sendable () async -> Void
+    ) -> Effect {
+      Effect<Void, Never>.task(priority: priority) { await work() }
+        .fireAndForget()
+    }
   }
 #endif