Merge pull request #117 from theleftbit/task-never

Welcome Task.Never

Sources/BSWFoundation/Deferred/Deferred+Customizations.swift

@@ -73,7 +73,6 @@ public func bothSerially<T, U>(first: Task<T>, second: @escaping (T) -> Task<U>)
             deferred.fill(with: .success((firstValue, secondValue)))
         }
     }
-
     return Task(Future(deferred))
 }
 

Sources/BSWFoundation/Extensions/Task.swift

@@ -0,0 +1,9 @@
+
+public extension Task where Success == Never, Failure == Never {
+    /// Returns a Task that will never return... Well, actually, it'll complete in 1000 seconds
+    static var never: Void {
+        get async throws {
+            try await Task.sleep(nanoseconds: 1_000_000_000_000)
+        }
+    }
+}

Tests/BSWFoundationTests/Extensions/TaskTests.swift

@@ -0,0 +1,17 @@
+
+import XCTest
+import BSWFoundation
+
+class TaskTests: XCTestCase {
+    func testNever() async throws {
+        let waiter = XCTWaiter()
+        let exp = self.expectation(description: " ")
+        let task = Task(priority: .userInitiated) {
+            let _ = try await Task.never
+            exp.fulfill()
+        }
+        waiter.wait(for: [exp], timeout: 1)
+        XCTAssert(waiter.fulfilledExpectations.isEmpty)
+        task.cancel()
+    }
+}