Temporary commit to try fix halting

orchid-base/src/testing.rs

@@ -0,0 +1,23 @@
+#![cfg(any(feature = "mocks", test))]
+
+use std::future::ready;
+use std::pin::Pin;
+use std::rc::Rc;
+
+pub struct AsyncMonitor<E: 'static>(Rc<dyn Fn(E) -> Pin<Box<dyn Future<Output = ()>>>>);
+impl<E: 'static> AsyncMonitor<E> {
+	pub fn new<F: AsyncFn(E) -> () + 'static>(f: F) -> Self {
+		let f_rc = Rc::new(f);
+		AsyncMonitor(Rc::new(move |e| {
+			let f_rc = f_rc.clone();
+			Box::pin(async move { f_rc(e).await })
+		}))
+	}
+	pub async fn notify(&self, e: E) -> () { (self.0)(e).await }
+}
+impl<E: 'static> Default for AsyncMonitor<E> {
+	fn default() -> Self { Self(Rc::new(|_| Box::pin(ready(())))) }
+}
+impl<E: 'static> Clone for AsyncMonitor<E> {
+	fn clone(&self) -> Self { Self(self.0.clone()) }
+}