Use iced_futures utilities to make native work under wasm32 target.

native/src/subscription.rs

@@ -1,7 +1,7 @@
 //! Listen to external events in your application.
 use crate::event::{self, Event};
 use crate::Hasher;
-use iced_futures::futures::stream::BoxStream;
+use iced_futures::BoxStream;
 
 /// A request to listen to external events.
 ///
@@ -21,7 +21,7 @@ pub type Subscription<T> =
 /// A stream of runtime events.
 ///
 /// It is the input of a [`Subscription`] in the native runtime.
-pub type EventStream = BoxStream<'static, (Event, event::Status)>;
+pub type EventStream = BoxStream<(Event, event::Status)>;
 
 /// A native [`Subscription`] tracker.
 pub type Tracker =

native/src/subscription/events.rs

@@ -27,10 +27,9 @@ where
         self: Box<Self>,
         event_stream: EventStream,
     ) -> BoxStream<Self::Output> {
-        event_stream
-            .filter_map(move |(event, status)| {
-                future::ready((self.f)(event, status))
-            })
-            .boxed()
+        let stream = event_stream.filter_map(move |(event, status)| {
+            future::ready((self.f)(event, status))
+        });
+        iced_futures::boxed_stream(stream)
     }
 }