Don't require an explicit return type in the task macro

tests/runtimes/async_std.rs

@@ -1,7 +1,7 @@
 //! Runtime compatibility tests for async-std
 
 use crate::common::task_fn;
-use dagx::{DagRunner, Task};
+use dagx::DagRunner;
 
 struct Value(i32);
 #[dagx::task]
@@ -27,7 +27,7 @@ async fn test_basic_dag_async_std() {
     let y = dag.add_task(Value(3));
     let sum = dag.add_task(Add).depends_on((&x, &y));
 
-    dag.run(|fut| async_std::task::spawn(fut)).await.unwrap();
+    dag.run(async_std::task::spawn).await.unwrap();
 
     assert_eq!(dag.get(sum).unwrap(), 5);
 }
@@ -40,7 +40,7 @@ async fn test_parallel_execution_async_std() {
         .map(|i| dag.add_task(task_fn(move |_: ()| async move { i * 2 })))
         .collect();
 
-    dag.run(|fut| async_std::task::spawn(fut)).await.unwrap();
+    dag.run(async_std::task::spawn).await.unwrap();
 
     for (i, task) in tasks.iter().enumerate() {
         assert_eq!(dag.get(task).unwrap(), i * 2);
@@ -58,7 +58,7 @@ async fn test_complex_dependencies_async_std() {
         .add_task(task_fn(|x: i32| async move { x * 2 }))
         .depends_on(sum);
 
-    dag.run(|fut| async_std::task::spawn(fut)).await.unwrap();
+    dag.run(async_std::task::spawn).await.unwrap();
 
     assert_eq!(dag.get(double).unwrap(), 60);
 }

tests/runtimes/compatibility.rs

@@ -1,6 +1,6 @@
 //! Runtime integration tests - verify dagx works correctly across different runtimes
 
-use dagx::{DagResult, DagRunner, Task};
+use dagx::{DagResult, DagRunner};
 use futures::FutureExt;
 
 struct Value(i32);

tests/runtimes/quirky.rs

@@ -444,8 +444,6 @@ fn test_futures_executor_multi_pool() {
 
 #[test]
 fn test_sync_tasks_on_async_executor() {
-    use dagx::Task;
-
     struct SyncAdd;
 
     #[dagx::task]
@@ -473,8 +471,6 @@ fn test_sync_tasks_on_async_executor() {
 
 #[test]
 fn test_sync_tasks_on_pollster() {
-    use dagx::Task;
-
     struct SyncDouble;
 
     #[dagx::task]

tests/runtimes/smol.rs

@@ -1,7 +1,7 @@
 //! Runtime compatibility tests for smol
 
 use crate::common::task_fn;
-use dagx::{DagRunner, Task};
+use dagx::DagRunner;
 
 struct Value(i32);
 #[dagx::task]
@@ -28,7 +28,7 @@ fn test_basic_dag_smol() {
         let y = dag.add_task(Value(3));
         let sum = dag.add_task(Add).depends_on((&x, &y));
 
-        dag.run(|fut| smol::spawn(fut)).await.unwrap();
+        dag.run(smol::spawn).await.unwrap();
 
         assert_eq!(dag.get(sum).unwrap(), 5);
     });
@@ -43,7 +43,7 @@ fn test_parallel_execution_smol() {
             .map(|i| dag.add_task(task_fn(move |_: ()| async move { i * 2 })))
             .collect();
 
-        dag.run(|fut| smol::spawn(fut)).await.unwrap();
+        dag.run(smol::spawn).await.unwrap();
 
         for (i, task) in tasks.iter().enumerate() {
             assert_eq!(dag.get(task).unwrap(), i * 2);
@@ -63,7 +63,7 @@ fn test_complex_dependencies_smol() {
             .add_task(task_fn(|x: i32| async move { x * 2 }))
             .depends_on(sum);
 
-        dag.run(|fut| smol::spawn(fut)).await.unwrap();
+        dag.run(smol::spawn).await.unwrap();
 
         assert_eq!(dag.get(double).unwrap(), 60);
     });