From be9e6af65e5cd4811725c6f29fe99b7bf6e6611d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Esteban=20K=C3=BCber?= <esteban@kuber.com.ar>
Date: Thu, 29 Aug 2019 17:41:41 -0700
Subject: [PATCH] review comments: use if let

---
 src/librustc_mir/hair/pattern/check_match.rs | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/librustc_mir/hair/pattern/check_match.rs b/src/librustc_mir/hair/pattern/check_match.rs
index fe57e12bcfcc..d6ec155c9630 100644
--- a/src/librustc_mir/hair/pattern/check_match.rs
+++ b/src/librustc_mir/hair/pattern/check_match.rs
@@ -429,12 +429,9 @@ fn check_arms<'tcx>(
 
                         hir::MatchSource::ForLoopDesugar |
                         hir::MatchSource::Normal => {
-                            match pat.kind {
-                                box PatternKind::Range(..) => {
-                                    // Covered in `is_useful() with more context`
-                                    break;
-                                }
-                                _ => {}
+                            if let box PatternKind::Range(..) = pat.kind {
+                                // Covered by `overlapping_patterns` with more context
+                                break;
                             }
                             let mut err = cx.tcx.struct_span_lint_hir(
                                 lint::builtin::UNREACHABLE_PATTERNS,