Add a fn to check if two senders or two receivers use the same underlying channel.

Author: rklaehn

src/lib.rs

@@ -196,6 +196,7 @@ pub struct Sender<T> {
 }
 
 impl<T> Sender<T> {
+
     /// Attempts to send a message into the channel.
     ///
     /// If the channel is full or closed, this method returns an error.
@@ -493,6 +494,11 @@ impl<T> Sender<T> {
             channel: self.channel.clone(),
         }
     }
+
+    /// Returns whether the senders belong to the same channel.
+    pub fn same_channel(&self, other: &Sender<T>) -> bool {
+        Arc::ptr_eq(&self.channel, &other.channel)
+    }
 }
 
 impl<T> Drop for Sender<T> {
@@ -820,6 +826,11 @@ impl<T> Receiver<T> {
             channel: self.channel.clone(),
         }
     }
+
+    /// Returns whether the receivers belong to the same channel.
+    pub fn same_channel(&self, other: &Receiver<T>) -> bool {
+        Arc::ptr_eq(&self.channel, &other.channel)
+    }
 }
 
 impl<T> fmt::Debug for Receiver<T> {