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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48782 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2014-12-12 03:15:56 +00:00
parent 3b8c100418
commit 80870e14a7
1 changed files with 7 additions and 1 deletions
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8
enum.c
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@ -3313,7 +3313,7 @@ slicewhen_i(RB_BLOCK_CALL_FUNC_ARGLIST(yielder, enumerator))
* enum.slice_when { |elt_before, elt_after| bool }.each { |ary| ... }
*
* Other methods of the Enumerator class and Enumerable module,
* such as +map+, etc., are also usable.
* such as +to_a+, +map+, etc., are also usable.
*
* For example, one-by-one increasing subsequence can be chunked as follows:
*
@ -3325,6 +3325,12 @@ slicewhen_i(RB_BLOCK_CALL_FUNC_ARGLIST(yielder, enumerator))
* d = c.join(",")
* p d #=> "1,2,4,9-12,15,16,19-21"
*
* Near elements (threshold: 6) in sorted array can be chunked as follwos:
*
* a = [3, 11, 14, 25, 28, 29, 29, 41, 55, 57]
* p a.slice_when {|i, j| 6 < j - i }.to_a
* #=> [[3], [11, 14], [25, 28, 29, 29], [41], [55, 57]]
*
* Increasing (non-decreasing) subsequence can be chunked as follows:
*
* a = [0, 9, 2, 2, 3, 2, 7, 5, 9, 5]