feat: implement Debug trait for more types

Author: Sherlock-Holo

src/async.rs

@@ -7,6 +7,7 @@ use std::{
     any::Any,
     ops::Deref,
 };
+use std::fmt::{Debug, Formatter};
 use crate::*;
 use futures_core::{stream::{Stream, FusedStream}, future::FusedFuture};
 use futures_sink::Sink;
@@ -141,6 +142,12 @@ pub struct SendFut<'a, T> {
     hook: Option<SendState<T>>,
 }
 
+impl<'a, T> Debug for SendFut<'a, T> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+        f.debug_struct("SendFut").finish()
+    }
+}
+
 impl<T> std::marker::Unpin for SendFut<'_, T> {}
 
 impl<'a, T> SendFut<'a, T> {
@@ -282,6 +289,12 @@ impl<'a, T> SendSink<'a, T> {
     }
 }
 
+impl<'a, T> Debug for SendSink<'a, T> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+        f.debug_struct("SendSink").finish()
+    }
+}
+
 impl<'a, T> Sink<T> for SendSink<'a, T> {
     type Error = SendError<T>;
 
@@ -459,6 +472,12 @@ impl<'a, T> RecvFut<'a, T> {
     }
 }
 
+impl<'a, T> Debug for RecvFut<'a, T> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+        f.debug_struct("RecvFut").finish()
+    }
+}
+
 impl<'a, T> Drop for RecvFut<'a, T> {
     fn drop(&mut self) {
         self.reset_hook();
@@ -516,6 +535,12 @@ impl<'a, T> RecvStream<'a, T> {
     }
 }
 
+impl<'a, T> Debug for RecvStream<'a, T> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+        f.debug_struct("RecvStream").finish()
+    }
+}
+
 impl<'a, T> Clone for RecvStream<'a, T> {
     fn clone(&self) -> RecvStream<'a, T> {
         RecvStream(RecvFut::new(self.0.receiver.clone()))

src/lib.rs

@@ -46,7 +46,7 @@ use std::{
     thread,
     fmt,
 };
-
+use std::fmt::Formatter;
 #[cfg(feature = "spin")]
 use spin1::{Mutex as Spinlock, MutexGuard as SpinlockGuard};
 use crate::signal::{Signal, SyncSignal};
@@ -866,6 +866,12 @@ impl<T> WeakSender<T> {
     }
 }
 
+impl<T> fmt::Debug for WeakSender<T> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+        f.debug_struct("WeakSender").finish()
+    }
+}
+
 impl<T> Clone for WeakSender<T> {
     /// Clones this [`WeakSender`].
     fn clone(&self) -> Self {
@@ -1041,6 +1047,12 @@ pub struct Iter<'a, T> {
     receiver: &'a Receiver<T>,
 }
 
+impl<'a, T> fmt::Debug for Iter<'a, T> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+        f.debug_struct("Iter").field("receiver", &self.receiver).finish()
+    }
+}
+
 impl<'a, T> Iterator for Iter<'a, T> {
     type Item = T;
 
@@ -1054,6 +1066,12 @@ pub struct TryIter<'a, T> {
     receiver: &'a Receiver<T>,
 }
 
+impl<'a, T> fmt::Debug for TryIter<'a, T> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+        f.debug_struct("TryIter").field("receiver", &self.receiver).finish()
+    }
+}
+
 impl<'a, T> Iterator for TryIter<'a, T> {
     type Item = T;
 
@@ -1091,6 +1109,12 @@ pub struct IntoIter<T> {
     receiver: Receiver<T>,
 }
 
+impl<T> fmt::Debug for IntoIter<T> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+        f.debug_struct("IntoIter").field("receiver", &self.receiver).finish()
+    }
+}
+
 impl<T> Iterator for IntoIter<T> {
     type Item = T;