hash.c: to_proc

* hash.c (rb_hash_to_proc): new method Hash#to_proc.
  [Feature #11653]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_hash.rb b/test/ruby/test_hash.rb
index 4f48d3b90c..cb59524bd0 100644
--- a/test/ruby/test_hash.rb
+++ b/test/ruby/test_hash.rb
@@ -1333,6 +1333,16 @@ class TestHash < Test::Unit::TestCase
     assert_not_operator(h2, :>, h2)
   end
 
+  def test_to_proc
+    h = {
+      1 => 10,
+      2 => 20,
+      3 => 30,
+    }
+
+    assert_equal([10, 20, 30], [1, 2, 3].map(&h))
+  end
+
   class TestSubHash < TestHash
     class SubHash < Hash
       def reject(*)