From c72e01ef7f317a0bad3c3e780cb02858f2017f43 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Wed, 10 Jun 2015 18:04:49 -0700
Subject: [PATCH] std: Deprecate result::fold

This function has seen very little use and it seems better to explore this
functionality through iterator adaptors instead of specialized functions.
---
 src/libcore/result.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libcore/result.rs b/src/libcore/result.rs
index 7fd845edc3f8..d87c1020dcc2 100644
--- a/src/libcore/result.rs
+++ b/src/libcore/result.rs
@@ -968,6 +968,9 @@ impl<A, E, V: FromIterator<A>> FromIterator<Result<A, E>> for Result<V, E> {
 #[inline]
 #[unstable(feature = "result_fold",
            reason = "unclear if this function should exist")]
+#[deprecated(since = "1.2.0",
+             reason = "has not seen enough usage to justify its position in \
+                       the standard library")]
 pub fn fold<T,
             V,
             E,