From 6960bf2ebc711385048834863eda081bae2633db Mon Sep 17 00:00:00 2001
From: Devon Hollowood <devonhollowood@gmail.com>
Date: Sat, 12 Dec 2015 21:59:25 -0800
Subject: [PATCH] Make ExprField follow single-underscore rules

---
 src/misc.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/misc.rs b/src/misc.rs
index 2558d6bb4bbb..89b4dbb4de6b 100644
--- a/src/misc.rs
+++ b/src/misc.rs
@@ -368,7 +368,11 @@ impl LateLintPass for UsedUnderscoreBinding {
                                                   _ => false
                                             }) //local variable
             },
-            ExprField(_, spanned) => spanned.node.as_str().chars().next() == Some('_'),
+            ExprField(_, spanned) => {
+                let name = spanned.node.as_str();
+                name.chars().next() == Some('_')
+                && name.chars().skip(1).next() != Some('_')
+            },
             _ => false
         };
         if needs_lint {