From 6a51de0a0a846524dc76b027f52f0afec1597383 Mon Sep 17 00:00:00 2001
From: Garming Sam <garming_sam@outlook.com>
Date: Thu, 6 Aug 2015 19:57:41 +1200
Subject: [PATCH] Casts are a type of binop

This just adds paren following the same cases as before
---
 src/libsyntax/print/pprust.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index b3fd05325b1..d59ab2ba565 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -1753,7 +1753,7 @@ impl<'a> State<'a> {
                 try!(self.print_literal(&**lit));
             }
             ast::ExprCast(ref expr, ref ty) => {
-                try!(self.print_expr(&**expr));
+                try!(self.print_expr_maybe_paren(&**expr));
                 try!(space(&mut self.s));
                 try!(self.word_space("as"));
                 try!(self.print_type(&**ty));