From 738ec90ca14154493a88fb38728537837a45eebf Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sun, 29 Feb 2004 02:15:56 +0000
Subject: Improvements to collections.deque():

* Add doctests for the examples in the library reference.
* Add two methods, left() and right(), modeled after deques in C++ STL.
* Apply the new method to asynchat.py.
* Add comparison operators to make deques more substitutable for lists.
* Replace the LookupErrors with IndexErrors to more closely match lists.
---
 Lib/asynchat.py | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

(limited to 'Lib/asynchat.py')

diff --git a/Lib/asynchat.py b/Lib/asynchat.py
index 4bfab302a1..2c0bc3e902 100644
--- a/Lib/asynchat.py
+++ b/Lib/asynchat.py
@@ -262,11 +262,7 @@ class fifo:
         return self.list == []
 
     def first (self):
-        it = iter(self.list)
-        try:
-            return it.next()
-        except StopIteration:
-            raise IndexError
+        return self.list.left()
 
     def push (self, data):
         self.list.append(data)
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