From 959a0e69c9d2e4cabef77d97880dbeb2168f7f81 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Wed, 18 Mar 2015 11:43:46 -0700
Subject: [PATCH] std: Stabilize marker::MarkerTrait

This trait has proven quite useful when defining marker traits to avoid the
semi-confusing `PhantomFn` trait and it looks like it will continue to be a
useful tool for defining these traits.
---
 src/libcore/marker.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libcore/marker.rs b/src/libcore/marker.rs
index 1b866501b8e..38b07027b0e 100644
--- a/src/libcore/marker.rs
+++ b/src/libcore/marker.rs
@@ -270,6 +270,7 @@ macro_rules! impls{
 /// any methods, but instead is used to gate access to data.
 ///
 /// FIXME. Better documentation needed here!
+#[stable(feature = "rust1", since = "1.0.0")]
 pub trait MarkerTrait : PhantomFn<Self,Self> { }
 //                                    ~~~~~ <-- FIXME(#22806)?
 //