From 29862685c0acf3a40c6b1f9e8780cbbd86cba658 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 9 Nov 2015 12:27:26 +0000
Subject: dig

* array.c (rb_ary_dig): new method Array#dig.
* hash.c (rb_hash_dig): new method Hash#dig.
* object.c (rb_obj_dig): dig in nested arrays/hashes.
  [Feature #11643]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_array.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'test/ruby/test_array.rb')

diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index 74da8c1dab..0922cb4c65 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -2651,6 +2651,12 @@ class TestArray < Test::Unit::TestCase
     end
   end
 
+  def test_dig
+    h = @cls[@cls[{a: 1}], 0]
+    assert_equal(1, h.dig(0, 0, :a))
+    assert_nil(h.dig(1, 0))
+  end
+
   private
   def need_continuation
     unless respond_to?(:callcc, true)
-- 
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