From c10eec3a1ca0a328f406f6b752eb0fd3a90dca91 Mon Sep 17 00:00:00 2001
From: Scott McMurray <scottmcm@users.noreply.github.com>
Date: Wed, 14 Apr 2021 16:40:23 -0700
Subject: Bootstrapping preparation for the library

Since just `ops::Try` will need to change meaning.
---
 library/alloc/src/collections/vec_deque/iter.rs | 6 +++---
 library/alloc/src/lib.rs                        | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)

(limited to 'library/alloc')

diff --git a/library/alloc/src/collections/vec_deque/iter.rs b/library/alloc/src/collections/vec_deque/iter.rs
index e4cfb3acdfd..793adfb0c0f 100644
--- a/library/alloc/src/collections/vec_deque/iter.rs
+++ b/library/alloc/src/collections/vec_deque/iter.rs
@@ -1,6 +1,6 @@
 use core::fmt;
 use core::iter::{FusedIterator, TrustedLen, TrustedRandomAccess};
-use core::ops::Try;
+use core::ops::TryWhereOutputEquals;
 
 use super::{count, wrap_index, RingSlices};
 
@@ -66,7 +66,7 @@ impl<'a, T> Iterator for Iter<'a, T> {
     where
         Self: Sized,
         F: FnMut(B, Self::Item) -> R,
-        R: Try<Ok = B>,
+        R: TryWhereOutputEquals<B>,
     {
         let (mut iter, final_res);
         if self.tail <= self.head {
@@ -140,7 +140,7 @@ impl<'a, T> DoubleEndedIterator for Iter<'a, T> {
     where
         Self: Sized,
         F: FnMut(B, Self::Item) -> R,
-        R: Try<Ok = B>,
+        R: TryWhereOutputEquals<B>,
     {
         let (mut iter, final_res);
         if self.tail <= self.head {
diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs
index 66b1036f2ab..af973c29bde 100644
--- a/library/alloc/src/lib.rs
+++ b/library/alloc/src/lib.rs
@@ -141,6 +141,7 @@
 #![feature(alloc_layout_extra)]
 #![feature(trusted_random_access)]
 #![feature(try_trait)]
+#![feature(try_trait_transition)]
 #![feature(min_type_alias_impl_trait)]
 #![feature(associated_type_bounds)]
 #![feature(slice_group_by)]
-- 
cgit 1.4.1-3-g733a5