From 0118b985459ad20520af09e5202774b3cc52b491 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 2 Sep 2017 01:08:27 +0000
Subject: [PATCH] Update Hash#compact! documentation [ci skip]

* hash.c (rb_hash_compact_bang): [DOC] update the case if no
  changes were made.  [ruby-core:82591] [Bug #13855] [Fix GH-1692]

Author:    Lucas Buchala <lucasbuchala@gmail.com>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59719 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 hash.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hash.c b/hash.c
index c23b348f24..a80bd0a89d 100644
--- a/hash.c
+++ b/hash.c
@@ -2819,10 +2819,10 @@ rb_hash_compact(VALUE hash)
 
 /*
  *  call-seq:
- *     hsh.compact! -> hsh
+ *     hsh.compact! -> hsh or nil
  *
  *  Removes all nil values from the hash.
- *  Returns the hash.
+ *  Returns nil if no changes were made, otherwise returns the hash.
  *
  *     h = { a: 1, b: false, c: nil }
  *     h.compact!     #=> { a: 1, b: false }