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Code Issues Releases Wiki Activity

Added missing itertools function

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Michiel Scholten
2016-12-29 20:59:04 +01:00
parent 7a98de4b3f
commit abdc11361a
1 changed files with 10 additions and 0 deletions
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digimarks.py
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@@ -46,6 +46,16 @@ except AttributeError:
# Cache the tags # Cache the tags
all_tags = {} all_tags = {}
def ifilterfalse(predicate, iterable):
# ifilterfalse(lambda x: x%2, range(10)) --> 0 2 4 6 8
if predicate is None:
predicate = bool
for x in iterable:
if not predicate(x):
yield x
def unique_everseen(iterable, key=None): def unique_everseen(iterable, key=None):
"List unique elements, preserving order. Remember all elements ever seen." "List unique elements, preserving order. Remember all elements ever seen."
# unique_everseen('AAAABBBCCDAABBB') --> A B C D # unique_everseen('AAAABBBCCDAABBB') --> A B C D