From 5e3c5fc703c2b6c171b3f9f06aa0e30b1d057465 Mon Sep 17 00:00:00 2001
From: Jeremy Fincher <jemfinch@users.sourceforge.net>
Date: Sat, 11 Oct 2003 03:20:51 +0000
Subject: [PATCH] Faster implementations for all/any.

---
 src/fix.py | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/src/fix.py b/src/fix.py
index 30138f091..9d7c59f86 100644
--- a/src/fix.py
+++ b/src/fix.py
@@ -107,21 +107,17 @@ def partition(p, L):
 
 def any(p, seq):
     """Returns true if any element in seq satisfies predicate p."""
-    if p is None:
-        p = bool
-    for elt in seq:
-        if p(elt):
-            return True
-    return False
+    for elt in itertools.ifilter(p, seq):
+        return True
+    else:
+        return False
 
 def all(p, seq):
     """Returns true if all elements in seq satisfy predicate p."""
-    if p is None:
-        p = bool
-    for elt in seq:
-        if not p(elt):
-            return False
-    return True
+    for elt in itertools.ifilterfalse(p, seq):
+        return False
+    else:
+        return True
 
 def rsplit(s, sep=None, maxsplit=-1):
     """Equivalent to str.split, except splitting from the right."""