From 22b4aa5f2870cd3b2af8bc503b1b3dfbc4400922 Mon Sep 17 00:00:00 2001
From: Justin Ridgewell <justin@ridgewell.name>
Date: Thu, 9 Apr 2015 11:59:57 -0400
Subject: [PATCH] Use _.restArgs

---
 backbone.js | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/backbone.js b/backbone.js
index 283d2d36c..43cf528f3 100644
--- a/backbone.js
+++ b/backbone.js
@@ -36,8 +36,7 @@
   var previousBackbone = root.Backbone;
 
   // Create local references to array methods we'll want to use later.
-  var array = [];
-  var slice = array.slice;
+  var slice = Array.prototype.slice;
 
   // Current version of the library. Keep in sync with `package.json`.
   Backbone.VERSION = '1.1.2';
@@ -276,16 +275,11 @@
   // passed the same arguments as `trigger` is, apart from the event name
   // (unless you're listening on `"all"`, which will cause your callback to
   // receive the true name of the event as the first argument).
-  Events.trigger =  function(name) {
+  Events.trigger =  _.restArgs(function(name, args) {
     if (!this._events) return this;
-
-    var length = Math.max(0, arguments.length - 1);
-    var args = Array(length);
-    for (var i = 0; i < length; i++) args[i] = arguments[i + 1];
-
     eventsApi(triggerApi, this, name, void 0, args);
     return this;
-  };
+  });
 
   // Handles triggering the appropriate event callbacks.
   var triggerApi = function(obj, name, cb, args) {
@@ -328,11 +322,10 @@
       case 4: return function(iteratee, defaultVal, context) {
         return _[method](this[attribute], iteratee, defaultVal, context);
       };
-      default: return function() {
-        var args = slice.call(arguments);
+      default: return _.restArgs(function(args) {
         args.unshift(this[attribute]);
         return _[method].apply(_, args);
-      };
+      });
     }
   };
   var addUnderscoreMethods = function(Class, methods, attribute) {