X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Futils.rs;h=5f92255e79cad80fcd253f1ba70c4501f7fd9998;hb=caefd218c9f6c43493c28c5cc4ea8828c494830e;hp=f1b0582b1200f539cc433c6751ee8ab0bea2bc95;hpb=bcb64fdab83a4cedf4f604ef84fc27840fb9c2c4;p=rust.git

diff --git a/src/utils.rs b/src/utils.rs
index f1b0582b120..5f92255e79c 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -81,6 +81,14 @@ pub fn format_visibility(context: &RewriteContext, vis: &Visibility) -> Cow<'sta
     }
 }
 
+#[inline]
+pub fn format_async(is_async: ast::IsAsync) -> &'static str {
+    match is_async {
+        ast::IsAsync::Async { .. } => "async ",
+        ast::IsAsync::NotAsync => "",
+    }
+}
+
 #[inline]
 pub fn format_constness(constness: ast::Constness) -> &'static str {
     match constness {
@@ -382,6 +390,7 @@ pub fn colon_spaces(before: bool, after: bool) -> &'static str {
     }
 }
 
+#[inline]
 pub fn left_most_sub_expr(e: &ast::Expr) -> &ast::Expr {
     match e.node {
         ast::ExprKind::Call(ref e, _)
@@ -398,6 +407,12 @@ pub fn left_most_sub_expr(e: &ast::Expr) -> &ast::Expr {
     }
 }
 
+#[inline]
 pub fn starts_with_newline(s: &str) -> bool {
     s.starts_with('\n') || s.starts_with("\r\n")
 }
+
+#[inline]
+pub fn first_line_ends_with(s: &str, c: char) -> bool {
+    s.lines().next().map_or(false, |l| l.ends_with(c))
+}