From 66a02ec2d6d8c2f0394be18b9a5011acccc4ba9a Mon Sep 17 00:00:00 2001
From: Josh Stone <jistone@redhat.com>
Date: Sat, 1 Aug 2020 11:41:59 -0700
Subject: [PATCH] Use a slice pattern instead of rchunks_exact(_).next()

This is a minor cleanup, but trying a single-use `rchunks` iterator can
be more directly matched with a slice pattern, `[.., a, b]`.
---
 src/librustc_privacy/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc_privacy/lib.rs b/src/librustc_privacy/lib.rs
index 9c5fb4ce73450..fc00050f40518 100644
--- a/src/librustc_privacy/lib.rs
+++ b/src/librustc_privacy/lib.rs
@@ -637,7 +637,7 @@ impl EmbargoVisitor<'tcx> {
         &mut self,
         segments: &[hir::PathSegment<'_>],
     ) {
-        if let Some([module, segment]) = segments.rchunks_exact(2).next() {
+        if let [.., module, segment] = segments {
             if let Some(item) = module
                 .res
                 .and_then(|res| res.mod_def_id())