From 8a22bc3b30e81568db25cf57aa9e7629bfa449c7 Mon Sep 17 00:00:00 2001
From: Steven Fackler <sfackler@palantir.com>
Date: Wed, 22 May 2019 14:09:34 -0700
Subject: Revert "Add implementations of last in terms of next_back on a bunch
 of DoubleEndedIterators."

This reverts commit 3e86cf36b5114f201868bf459934fe346a76a2d4.
---
 src/libstd/sys/unix/args.rs    | 2 --
 src/libstd/sys/wasm/args.rs    | 4 ----
 src/libstd/sys/windows/args.rs | 2 --
 3 files changed, 8 deletions(-)

(limited to 'src/libstd/sys')

diff --git a/src/libstd/sys/unix/args.rs b/src/libstd/sys/unix/args.rs
index 6ba947d4598..3b4de56f2c9 100644
--- a/src/libstd/sys/unix/args.rs
+++ b/src/libstd/sys/unix/args.rs
@@ -35,8 +35,6 @@ impl Iterator for Args {
     type Item = OsString;
     fn next(&mut self) -> Option<OsString> { self.iter.next() }
     fn size_hint(&self) -> (usize, Option<usize>) { self.iter.size_hint() }
-    #[inline]
-    fn last(mut self) -> Option<OsString> { self.next_back() }
 }
 
 impl ExactSizeIterator for Args {
diff --git a/src/libstd/sys/wasm/args.rs b/src/libstd/sys/wasm/args.rs
index 6766099c1ec..b3c77b86995 100644
--- a/src/libstd/sys/wasm/args.rs
+++ b/src/libstd/sys/wasm/args.rs
@@ -37,10 +37,6 @@ impl Iterator for Args {
     fn size_hint(&self) -> (usize, Option<usize>) {
         self.iter.size_hint()
     }
-    #[inline]
-    fn last(mut self) -> Option<OsString> {
-        self.next_back()
-    }
 }
 
 impl ExactSizeIterator for Args {
diff --git a/src/libstd/sys/windows/args.rs b/src/libstd/sys/windows/args.rs
index 744d7ec59d3..b04bb484eed 100644
--- a/src/libstd/sys/windows/args.rs
+++ b/src/libstd/sys/windows/args.rs
@@ -181,8 +181,6 @@ impl Iterator for Args {
     type Item = OsString;
     fn next(&mut self) -> Option<OsString> { self.parsed_args_list.next() }
     fn size_hint(&self) -> (usize, Option<usize>) { self.parsed_args_list.size_hint() }
-    #[inline]
-    fn last(mut self) -> Option<OsString> { self.next_back() }
 }
 
 impl DoubleEndedIterator for Args {
-- 
cgit 1.4.1-3-g733a5