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authorMartin Dürst <duerst@it.aoyama.ac.jp>2019-06-13 15:30:03 +0900
committerMartin Dürst <duerst@it.aoyama.ac.jp>2019-06-13 15:30:03 +0900
commit7f79a86d8b4d250ea0e82eb06cd3336edb840a01 (patch)
treecfe7febdafdbd05188dea07af5494e2c8233a308 /enum.c
parent2a26c1ea24ec107cfb43d8561ad28984846b7660 (diff)
add comments to mention sort.reverse!
For array.c (Array#sort) and enum.c (Enumerable#sort_by), add comments mentioning that sort.reverse! / sort_by { ... }.reverse! can/should be used to reverse the result. [ci skip]
Diffstat (limited to 'enum.c')
-rw-r--r--enum.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/enum.c b/enum.c
index 56cef17..c3a8207 100644
--- a/enum.c
+++ b/enum.c
@@ -1220,6 +1220,10 @@ sort_by_cmp(const void *ap, const void *bp, void *data)
*
* sorted = Dir["*"].sort_by { |f| test(?M, f) }
* sorted #=> ["mon", "tues", "wed", "thurs"]
+ *
+ * To produce the reverse of a specific order, the following can be used:
+ *
+ * ary.sort_by { ... }.reverse!
*/
static VALUE