update

examples/functions.rs

@@ -9,8 +9,9 @@ fn main() {
 
     let (input, output) = rally(items, |item: &_| {
         std::thread::sleep(Duration::from_millis(item * 100));
-        return 0;
+        return Some(0);
-    });
+    })
+    .unwrap();
 
     println!("RALLY RESULTS: {input:?} -> {output:?}");
 }

src/lib.rs

@@ -27,7 +27,7 @@ pub static UNION: Lazy<
 /// Rally Function
 ///
 /// This executes a thread for every item executing `f(&item) -> X`. Whatever function returns first is returned while every other thread is killed.
-pub fn rally<T: Send + Sync + 'static, F, X: Send + 'static>(items: Vec<T>, f: F) -> (T, X)
+pub fn rally<T: Send + Sync + 'static, F, X: Send + 'static>(items: Vec<T>, f: F) -> Option<(T, X)>
 where
     F: Fn(&T) -> Option<X> + Send + Sync + Copy + 'static,
 {
@@ -67,11 +67,11 @@ where
 
             log::info!("Rally ended with {items_len} items in {elapsed:?}");
 
-            return (fastest_item, fastest_result.unwrap());
+            return Some((fastest_item, fastest_result.unwrap()));
         }
     }
 
-    panic!("No useable results in rally")
+    None
 }
 
 pub fn retry<O, F: Fn() -> Option<O>>(f: F) -> O {

src/service.rs

@@ -61,8 +61,6 @@ pub struct ServiceManager {
     pub mode: ServiceMode,
 }
 
-// TODO : impl decay mode
-
 /// The mode on which services should operate
 pub enum ServiceMode {
     /// Behave like a daemon. Services can never die and will come back to life after beeing killed. They will always haunt you.