From 2e4376d29c61cb6c470ec836cb341d060aae6074 Mon Sep 17 00:00:00 2001
From: Seiichi Uchida <seiichi.uchida@dena.com>
Date: Wed, 6 Jun 2018 10:46:49 +0900
Subject: [PATCH] Do not put where clause on a single with multi-lined type

---
 src/items.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/items.rs b/src/items.rs
index cc5825048e4b..321a74df7cc1 100644
--- a/src/items.rs
+++ b/src/items.rs
@@ -656,6 +656,7 @@ pub fn format_impl(
         if !contains_comment(&snippet[open_pos..])
             && items.is_empty()
             && generics.where_clause.predicates.len() == 1
+            && !result.contains('\n')
         {
             option.suppress_comma();
             option.snuggle();