From 82d8dd2f4bdcd61b08c6952e4e6ebdf4db70b299 Mon Sep 17 00:00:00 2001
From: topecongiro <seuchida@gmail.com>
Date: Sat, 28 Apr 2018 13:59:03 +0900
Subject: Factor out a formatting routine for empty struct and tuple

---
 src/utils.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/utils.rs')

diff --git a/src/utils.rs b/src/utils.rs
index 2493c9a5c74..9ed1df35a42 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -133,6 +133,16 @@ pub fn outer_attributes(attrs: &[ast::Attribute]) -> Vec<ast::Attribute> {
     filter_attributes(attrs, ast::AttrStyle::Outer)
 }
 
+#[inline]
+pub fn is_single_line(s: &str) -> bool {
+    s.chars().find(|&c| c == '\n').is_none()
+}
+
+#[inline]
+pub fn first_line_contains_single_line_comment(s: &str) -> bool {
+    s.lines().next().map_or(false, |l| l.contains("//"))
+}
+
 #[inline]
 pub fn last_line_contains_single_line_comment(s: &str) -> bool {
     s.lines().last().map_or(false, |l| l.contains("//"))
-- 
cgit 1.4.1-3-g733a5