From c105289ec4e22f5d53f3e5872ad6a49da8a33b6d Mon Sep 17 00:00:00 2001 From: Raymond Hettinger Date: Wed, 27 Feb 2008 01:44:34 +0000 Subject: Simply the sample code for combinations(). --- Doc/library/itertools.rst | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst index 6dc19a1..6155322 100644 --- a/Doc/library/itertools.rst +++ b/Doc/library/itertools.rst @@ -103,15 +103,14 @@ loops that truncate the stream. yield tuple(pool[i] for i in vec) while 1: for i in reversed(range(r)): - if vec[i] == i + n-r: - continue - vec[i] += 1 - for j in range(i+1, r): - vec[j] = vec[j-1] + 1 - yield tuple(pool[i] for i in vec) - break + if vec[i] != i + n - r: + break else: return + vec[i] += 1 + for j in range(i+1, r): + vec[j] = vec[j-1] + 1 + yield tuple(pool[i] for i in vec) .. versionadded:: 2.6 -- cgit v0.12