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| author | Raymond Hettinger <python@rcn.com> | 2008-07-19 23:21:57 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2008-07-19 23:21:57 (GMT) |
| commit | 39e0eb766f02e18711d7eac9f948754a1ee569e3 (patch) | |
| tree | 434853b0d4bc508925d85fc55a88f48b0357e587 /Doc/library/itertools.rst | |
| parent | d648f64a530a77db93df89cc03306ef80b27ff4f (diff) | |
| download | cpython-39e0eb766f02e18711d7eac9f948754a1ee569e3.zip cpython-39e0eb766f02e18711d7eac9f948754a1ee569e3.tar.gz cpython-39e0eb766f02e18711d7eac9f948754a1ee569e3.tar.bz2 | |
Fix compress() recipe in docs to use itertools.
Diffstat (limited to 'Doc/library/itertools.rst')
| -rw-r--r-- | Doc/library/itertools.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst index 9a3626f..d8c3331 100644 --- a/Doc/library/itertools.rst +++ b/Doc/library/itertools.rst @@ -698,9 +698,9 @@ which incur interpreter overhead. def compress(data, selectors): "compress('abcdef', [1,0,1,0,1,1]) --> a c e f" - for d, s in izip(data, selectors): - if s: - yield d + decorated = izip(data, selectors) + filtered = ifilter(operator.itemgetter(1), decorated) + return imap(operator.itemgetter(0), filtered) def combinations_with_replacement(iterable, r): "combinations_with_replacement('ABC', 3) --> AA AB AC BB BC CC" |