[Python-checkins] r69141 - python/trunk/Doc/library/itertools.rst

Sat Jan 31 21:01:48 CET 2009

Author: benjamin.peterson
Date: Sat Jan 31 21:01:48 2009
New Revision: 69141
Log:
fix indentation
Modified:
 python/trunk/Doc/library/itertools.rst
Modified: python/trunk/Doc/library/itertools.rst
==============================================================================

--- python/trunk/Doc/library/itertools.rst	(original)
+++ python/trunk/Doc/library/itertools.rst	Sat Jan 31 21:01:48 2009
@@ -738,26 +738,26 @@
 s = list(iterable)
 return chain.from_iterable(combinations(s, r) for r in range(len(s)+1))
 
- def unique_everseen(iterable, key=None):
- "List unique elements, preserving order. Remember all elements ever seen."
- # unique_everseen('AAAABBBCCDAABBB') --> A B C D
- # unique_everseen('ABBCcAD', str.lower) --> A B C D
- seen = set()
- seen_add = seen.add
- if key is None:
- for element in iterable:
- if element not in seen:
- seen_add(element)
- yield element
- else:
- for element in iterable:
- k = key(element)
- if k not in seen:
- seen_add(k)
- yield element
+ def unique_everseen(iterable, key=None):
+ "List unique elements, preserving order. Remember all elements ever seen."
+ # unique_everseen('AAAABBBCCDAABBB') --> A B C D
+ # unique_everseen('ABBCcAD', str.lower) --> A B C D
+ seen = set()
+ seen_add = seen.add
+ if key is None:
+ for element in iterable:
+ if element not in seen:
+ seen_add(element)
+ yield element
+ else:
+ for element in iterable:
+ k = key(element)
+ if k not in seen:
+ seen_add(k)
+ yield element
 
- def unique_justseen(iterable, key=None):
- "List unique elements, preserving order. Remember only the element just seen."
- # unique_justseen('AAAABBBCCDAABBB') --> A B C D A B
- # unique_justseen('ABBCcAD', str.lower) --> A B C A D
- return imap(next, imap(itemgetter(1), groupby(iterable, key)))
+ def unique_justseen(iterable, key=None):
+ "List unique elements, preserving order. Remember only the element just seen."
+ # unique_justseen('AAAABBBCCDAABBB') --> A B C D A B
+ # unique_justseen('ABBCcAD', str.lower) --> A B C A D
+ return imap(next, imap(itemgetter(1), groupby(iterable, key)))
