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authorKyle Huey <khuey@kylehuey.com>2019-04-19 21:13:37 -0700
committerKyle Huey <khuey@kylehuey.com>2019-04-19 21:52:43 -0700
commit3e86cf36b5114f201868bf459934fe346a76a2d4 (patch)
tree60a7de7db6b5733586c144a3dfe113c1fc70dfcd /src/libstd/sys/wasm/args.rs
parent8aaae4294b16b8070a52b858364f440873bfc95c (diff)
downloadrust-3e86cf36b5114f201868bf459934fe346a76a2d4.tar.gz
rust-3e86cf36b5114f201868bf459934fe346a76a2d4.zip
Add implementations of last in terms of next_back on a bunch of DoubleEndedIterators.
r?Manishearth
Diffstat (limited to 'src/libstd/sys/wasm/args.rs')
-rw-r--r--src/libstd/sys/wasm/args.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libstd/sys/wasm/args.rs b/src/libstd/sys/wasm/args.rs
index b3c77b86995..6766099c1ec 100644
--- a/src/libstd/sys/wasm/args.rs
+++ b/src/libstd/sys/wasm/args.rs
@@ -37,6 +37,10 @@ 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 {