From 0f40a12ea35d0a33cef29dc50787ed6efd74cbfd Mon Sep 17 00:00:00 2001
From: Josh Triplett <josh@joshtriplett.org>
Date: Sat, 1 Sep 2018 12:17:57 -0700
Subject: [PATCH] tidy: Use is_empty() instead of len tests

Fixes a clippy warning, and improves readability.
---
 src/tools/tidy/src/deps.rs     | 2 +-
 src/tools/tidy/src/features.rs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs
index 68a4b7898575..5bff8480d591 100644
--- a/src/tools/tidy/src/deps.rs
+++ b/src/tools/tidy/src/deps.rs
@@ -239,7 +239,7 @@ pub fn check_whitelist(path: &Path, cargo: &Path, bad: &mut bool) {
         unapproved.append(&mut bad);
     }
 
-    if unapproved.len() > 0 {
+    if !unapproved.is_empty() {
         println!("Dependencies not on the whitelist:");
         for dep in unapproved {
             println!("* {}", dep.id_str());
diff --git a/src/tools/tidy/src/features.rs b/src/tools/tidy/src/features.rs
index c95f1c7b32a9..05eeae7d6b01 100644
--- a/src/tools/tidy/src/features.rs
+++ b/src/tools/tidy/src/features.rs
@@ -133,7 +133,7 @@ pub fn check(path: &Path, bad: &mut bool, quiet: bool) {
                  name);
     }
 
-    if gate_untested.len() > 0 {
+    if !gate_untested.is_empty() {
         tidy_error!(bad, "Found {} features without a gate test.", gate_untested.len());
     }