---

yaml
---
r: 181695
b: refs/heads/snap-stage3
c: df76442
h: refs/heads/master
i:
  181693: 3f9e6ac
  181691: 86dda13
  181687: bc94416
  181679: 2956c12
  181663: 9de782f
  181631: 8801eab
v: v3

Author: nikomatsakis

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: 6c065fc8cb036785f61ff03e05c1563cbb2dd081
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
-refs/heads/snap-stage3: 6f2a1c946744dd6c1de7a1c556cb1333592dec62
+refs/heads/snap-stage3: df76442c99635e176f70d2e7977317a871b8f906
 refs/heads/try: ccf8fedf1cffcb8f6f3581d53d220039e192fe77
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d

branches/snap-stage3/src/libstd/old_io/mod.rs

@@ -252,7 +252,7 @@ use error::Error;
 use fmt;
 use isize;
 use iter::{Iterator, IteratorExt};
-use marker::Sized;
+use marker::{PhantomFn, Sized};
 use mem::transmute;
 use ops::FnOnce;
 use option::Option;
@@ -1572,7 +1572,9 @@ pub trait Seek {
 /// connections.
 ///
 /// Doing so produces some sort of Acceptor.
-pub trait Listener<T, A: Acceptor<T>> {
+pub trait Listener<T, A: Acceptor<T>>
+    : PhantomFn<T,T> // FIXME should be an assoc type anyhow
+{
     /// Spin up the listener and start queuing incoming connections
     ///
     /// # Error