From 80ed505c41319f2fbbc7e97189e62b38c47b5a70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20Kr=C3=BCger?= <matthias.krueger@famsik.de>
Date: Wed, 4 Mar 2020 20:47:05 +0100
Subject: [PATCH] Use single-char patter on {ends,starts}_with and remove clone
 on copy type.

These were introduced since I last fixed most of these occurences. (clippy::clone_on_copy, clippy::single_char_pattern)
---
 src/librustc_errors/registry.rs          | 2 +-
 src/librustc_resolve/late/diagnostics.rs | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/librustc_errors/registry.rs b/src/librustc_errors/registry.rs
index c92a9d04775d1..32700c6500bc8 100644
--- a/src/librustc_errors/registry.rs
+++ b/src/librustc_errors/registry.rs
@@ -27,6 +27,6 @@ impl Registry {
         if !self.long_descriptions.contains_key(code) {
             return Err(InvalidErrorCode);
         }
-        Ok(self.long_descriptions.get(code).unwrap().clone())
+        Ok(*self.long_descriptions.get(code).unwrap())
     }
 }
diff --git a/src/librustc_resolve/late/diagnostics.rs b/src/librustc_resolve/late/diagnostics.rs
index 817a276ff3e73..fd62c80293425 100644
--- a/src/librustc_resolve/late/diagnostics.rs
+++ b/src/librustc_resolve/late/diagnostics.rs
@@ -1086,7 +1086,7 @@ impl<'tcx> LifetimeContext<'_, 'tcx> {
                     for param in params {
                         if let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(param.span)
                         {
-                            if snippet.starts_with("&") && !snippet.starts_with("&'") {
+                            if snippet.starts_with('&') && !snippet.starts_with("&'") {
                                 introduce_suggestion
                                     .push((param.span, format!("&'a {}", &snippet[1..])));
                             } else if snippet.starts_with("&'_ ") {
@@ -1118,7 +1118,7 @@ impl<'tcx> LifetimeContext<'_, 'tcx> {
                 (1, Some(name), Some("'_")) => {
                     suggest_existing(err, name.to_string());
                 }
-                (1, Some(name), Some(snippet)) if !snippet.ends_with(">") => {
+                (1, Some(name), Some(snippet)) if !snippet.ends_with('>') => {
                     suggest_existing(err, format!("{}<{}>", snippet, name));
                 }
                 (0, _, Some("&")) => {
@@ -1127,7 +1127,7 @@ impl<'tcx> LifetimeContext<'_, 'tcx> {
                 (0, _, Some("'_")) => {
                     suggest_new(err, "'a");
                 }
-                (0, _, Some(snippet)) if !snippet.ends_with(">") => {
+                (0, _, Some(snippet)) if !snippet.ends_with('>') => {
                     suggest_new(err, &format!("{}<'a>", snippet));
                 }
                 _ => {