From 781ea22d57c3fdd953f89bea74558dfa5fc021fc Mon Sep 17 00:00:00 2001
From: Andreas Lubbe <git@lubbe.org>
Date: Sat, 6 Sep 2014 17:12:25 +0200
Subject: [PATCH] always wrap 'yield' in () to allow composability with all
 other operators

---
 lib/coffee-script/nodes.js | 4 ++--
 src/nodes.coffee           | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/coffee-script/nodes.js b/lib/coffee-script/nodes.js
index 5f115d72..c61159a1 100644
--- a/lib/coffee-script/nodes.js
+++ b/lib/coffee-script/nodes.js
@@ -2472,9 +2472,9 @@
           parts.push(this.first.expression.compileToFragments(o, LEVEL_OP));
         }
       } else {
-        parts.push([this.makeCode(op)]);
-        parts.push([this.makeCode(' ')]);
+        parts.push([this.makeCode("(" + op + " ")]);
         parts.push(this.first.compileToFragments(o, LEVEL_OP));
+        parts.push([this.makeCode(")")]);
       }
       return this.joinFragmentArrays(parts, '');
     };
diff --git a/src/nodes.coffee b/src/nodes.coffee
index dc01e364..72162242 100644
--- a/src/nodes.coffee
+++ b/src/nodes.coffee
@@ -1760,9 +1760,9 @@ exports.Op = class Op extends Base
     if 'expression' in Object.keys @first
       parts.push @first.expression.compileToFragments o, LEVEL_OP if @first.expression?
     else 
-      parts.push [@makeCode op] 
-      parts.push [@makeCode(' ')]
+      parts.push [@makeCode "(#{op} "] 
       parts.push @first.compileToFragments o, LEVEL_OP
+      parts.push [@makeCode ")"] 
     @joinFragmentArrays parts, ''
 
   compilePower: (o) ->