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-rw-r--r--enum.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/enum.c b/enum.c
index 37990b7..a366980 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]