Implement Debug for Task

Author: alexcrichton

src/task/mod.rs

@@ -30,6 +30,7 @@
 use std::prelude::v1::*;
 
 use std::cell::Cell;
+use std::fmt;
 use std::sync::Arc;
 use std::sync::atomic::{Ordering, AtomicUsize, ATOMIC_USIZE_INIT};
 use std::thread;
@@ -157,6 +158,14 @@ impl Task {
     }
 }
 
+impl fmt::Debug for Task {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        f.debug_struct("Task")
+         .field("id", &self.id)
+         .finish()
+    }
+}
+
 /// Representation of a spawned future/stream.
 ///
 /// This object is returned by the `spawn` function in this module. This