wip: bottom up dropping

packages/core/tests/channels.rs

@@ -0,0 +1,19 @@
+use futures_channel::mpsc::unbounded;
+
+#[async_std::test]
+async fn channels() {
+    let (sender, mut receiver) = unbounded::<u32>();
+
+    // drop(sender);
+
+    match receiver.try_next() {
+        Ok(a) => {
+            dbg!(a);
+        }
+        Err(no) => {
+            dbg!(no);
+        }
+    }
+
+    sender.unbounded_send(1).unwrap();
+}