From 9c9db64d7e9058dc6fc7ead3791b259685798806 Mon Sep 17 00:00:00 2001
From: ktsj <ktsj@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 17 Apr 2019 06:48:05 +0000
Subject: [PATCH] Define Struct#deconstruct

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67587 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 struct.c                           |  2 ++
 test/ruby/test_pattern_matching.rb | 12 ++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/struct.c b/struct.c
index b85f7c035e..4ebf6aa3fa 100644
--- a/struct.c
+++ b/struct.c
@@ -1345,6 +1345,8 @@ InitVM_Struct(void)
 
     rb_define_method(rb_cStruct, "members", rb_struct_members_m, 0);
     rb_define_method(rb_cStruct, "dig", rb_struct_dig, -1);
+
+    rb_define_method(rb_cStruct, "deconstruct", rb_struct_to_a, 0);
 }
 
 #undef rb_intern
diff --git a/test/ruby/test_pattern_matching.rb b/test/ruby/test_pattern_matching.rb
index b0d8e4778b..9153297d39 100644
--- a/test/ruby/test_pattern_matching.rb
+++ b/test/ruby/test_pattern_matching.rb
@@ -1072,4 +1072,16 @@ END
       end
     end
   end
+
+  ################################################################
+
+  def test_struct
+    assert_block do
+      s = Struct.new(:a, :b)
+      case s[0, 1]
+      in 0, 1
+        true
+      end
+    end
+  end
 end