f comment

Author: TheBlueMatt

lightning-background-processor/src/lib.rs

@@ -411,6 +411,9 @@ pub(crate) mod futures_util {
 		}
 	}
 
+	// If we want to poll a future without an async context to figure out if it has completed or
+	// not without awaiting, we need a Waker, which needs a vtable...we fill it with dummy values
+	// but sadly there's a good bit of boilerplate here.
 	fn dummy_waker_clone(_: *const ()) -> RawWaker { RawWaker::new(core::ptr::null(), &DUMMY_WAKER_VTABLE) }
 	fn dummy_waker_action(_: *const ()) { }