Resume with Result

Author: swhitty

Sources/IdentifiableContinuation.swift

@@ -231,6 +231,15 @@ public struct IdentifiableContinuation<T, E>: Sendable, Identifiable where E : E
         }
     }
 
+    public func resume(with result: Result<T, E>) {
+        switch storage {
+        case .checked(let continuation):
+            continuation.resume(with: result)
+        case .unsafe(let continuation):
+            continuation.resume(with: result)
+        }
+    }
+
     @usableFromInline
     enum Storage: Sendable {
         case checked(CheckedContinuation<T, E>)

Tests/IdentifiableContinuationTests.swift

@@ -42,6 +42,13 @@ final class IdentifiableContinuationTests: XCTestCase {
         XCTAssertEqual(val, "Fish")
     }
 
+    func testResumesWithResult() async {
+        let val = await withIdentifiableContinuation {
+            $0.resume(with: .success("Chips"))
+        }
+        XCTAssertEqual(val, "Chips")
+    }
+
     func testCancels_After_Created() async {
         let waiter = Waiter<String?, Never>()
 
@@ -91,7 +98,6 @@ final class IdentifiableContinuationTests: XCTestCase {
         }
     }
 
-
     func testThrowingCancels_After_Created() async {
         let waiter = Waiter<String, Error>()
 
@@ -137,6 +143,13 @@ final class IdentifiableContinuationTests: XCTestCase {
         XCTAssertEqual(val, "Fish")
     }
 
+    func testUnsafeResumesWithResult() async {
+        let val = await withIdentifiableUnsafeContinuation {
+            $0.resume(with: .success("Chips"))
+        }
+        XCTAssertEqual(val, "Chips")
+    }
+
     func testUnsafeCancels_After_Created() async {
         let waiter = Waiter<String?, Never>()