[DOC]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48782 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 1 deletions

diff --git a/enum.c b/enum.c
index 37990b723d..a3669802d6 100644
--- a/enum.c
+++ b/enum.c
@@ -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]