fix examples & add ci for running examples (#19)

Author: BugenZhao

.github/workflows/check-test.yaml

@@ -22,6 +22,11 @@ jobs:
         run: cargo clippy --all-targets --all-features
       - name: Run tests
         run: cargo test
+      - name: Run examples
+        run: |
+          for example in $(ls examples/ | sed 's/\.rs$//'); do
+            cargo run --example $example
+          done
 
   semver:
     runs-on: ubuntu-latest

examples/detach.rs

@@ -53,7 +53,7 @@ async fn main() {
     tokio::spawn(root.instrument(work(rx)));
 
     sleep(Duration::from_millis(100)).await;
-    let tree = registry.get(&()).unwrap().to_string();
+    let tree = registry.get(()).unwrap().to_string();
 
     // work [106.290ms]
     //   select [106.093ms]
@@ -62,7 +62,7 @@ async fn main() {
     println!("{tree}");
 
     sleep(Duration::from_secs(1)).await;
-    let tree = registry.get(&()).unwrap().to_string();
+    let tree = registry.get(()).unwrap().to_string();
 
     // work [1.112s]
     //   rx [606.944ms]
@@ -72,7 +72,7 @@ async fn main() {
 
     tx.send(()).unwrap();
     sleep(Duration::from_secs(1)).await;
-    let tree = registry.get(&()).unwrap().to_string();
+    let tree = registry.get(()).unwrap().to_string();
 
     // work [2.117s]
     //   fut [2.117s]

examples/verbose.rs

@@ -32,7 +32,7 @@ async fn work(verbose: bool) -> String {
     tokio::spawn(root.instrument(foo()));
 
     sleep(Duration::from_secs(1)).await;
-    registry.get(&()).unwrap().to_string()
+    registry.get(()).unwrap().to_string()
 }
 
 #[tokio::main]

rust-toolchain

@@ -1 +1 @@
-1.74
+1.82

src/registry.rs

@@ -186,8 +186,8 @@ impl Registry {
     ///
     /// 1. If the current task is registered with a registry, returns the registry.
     /// 2. If the global registry is initialized with
-    ///   [`init_global_registry`](crate::global::init_global_registry), returns the global
-    ///   registry.
+    ///    [`init_global_registry`](crate::global::init_global_registry), returns the global
+    ///    registry.
     /// 3. Otherwise, returns `None`.
     pub fn try_current() -> Option<Self> {
         crate::root::current_registry()

src/tests.rs

@@ -12,7 +12,5 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#![cfg(test)]
-
 mod functionality;
 mod spawn;