From a100bf321c7f3a6eb97133735f5d73a1fc92a405 Mon Sep 17 00:00:00 2001
From: k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 12 Jun 2017 11:09:10 +0000
Subject: array.c: [DOC] Make it clear that #<< modifies receiver

This patch is sent from @selmertsx (morioka shuhei).

[fix GH-1646]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59070 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 array.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'array.c')

diff --git a/array.c b/array.c
index bd13a53430..278789dfc0 100644
--- a/array.c
+++ b/array.c
@@ -910,7 +910,10 @@ ary_take_first_or_last(int argc, const VALUE *argv, VALUE ary, enum ary_take_pos
  *  expression returns the array itself, so several appends
  *  may be chained together.
  *
- *     [ 1, 2 ] << "c" << "d" << [ 3, 4 ]
+ *     a = [ 1, 2 ]
+ *     a << "c" << "d" << [ 3, 4 ]
+ *             #=>  [ 1, 2, "c", "d", [ 3, 4 ] ]
+ *     a
  *             #=>  [ 1, 2, "c", "d", [ 3, 4 ] ]
  *
  */
-- 
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