From 758e223c45fdd41bdb397e3830553d13686c8dc1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20Mendon=C3=A7a=20Fran=C3=A7a?=
 <rafaelmfranca@gmail.com>
Date: Sun, 4 Jan 2015 16:00:22 -0300
Subject: [PATCH] Remove Struct#to_h backport

---
 .../lib/action_controller/metal/params_wrapper.rb      |  1 -
 activesupport/lib/active_support/core_ext.rb           |  3 ++-
 activesupport/lib/active_support/core_ext/struct.rb    |  9 +++------
 activesupport/test/core_ext/struct_test.rb             | 10 ----------
 4 files changed, 5 insertions(+), 18 deletions(-)
 delete mode 100644 activesupport/test/core_ext/struct_test.rb

diff --git a/actionpack/lib/action_controller/metal/params_wrapper.rb b/actionpack/lib/action_controller/metal/params_wrapper.rb
index b44493ff7c..a7e734db42 100644
--- a/actionpack/lib/action_controller/metal/params_wrapper.rb
+++ b/actionpack/lib/action_controller/metal/params_wrapper.rb
@@ -1,7 +1,6 @@
 require 'active_support/core_ext/hash/slice'
 require 'active_support/core_ext/hash/except'
 require 'active_support/core_ext/module/anonymous'
-require 'active_support/core_ext/struct'
 require 'action_dispatch/http/mime_type'
 
 module ActionController
diff --git a/activesupport/lib/active_support/core_ext.rb b/activesupport/lib/active_support/core_ext.rb
index 199aa91020..52706c3d7a 100644
--- a/activesupport/lib/active_support/core_ext.rb
+++ b/activesupport/lib/active_support/core_ext.rb
@@ -1,3 +1,4 @@
-Dir["#{File.dirname(__FILE__)}/core_ext/*.rb"].each do |path|
+DEPRECATED_FILES = ["#{File.dirname(__FILE__)}/core_ext/struct.rb"]
+(Dir["#{File.dirname(__FILE__)}/core_ext/*.rb"] - DEPRECATED_FILES).each do |path|
   require path
 end
diff --git a/activesupport/lib/active_support/core_ext/struct.rb b/activesupport/lib/active_support/core_ext/struct.rb
index c2c30044f2..1fde3db070 100644
--- a/activesupport/lib/active_support/core_ext/struct.rb
+++ b/activesupport/lib/active_support/core_ext/struct.rb
@@ -1,6 +1,3 @@
-#  Backport of Struct#to_h from Ruby 2.0
-class Struct # :nodoc:
-  def to_h
-    Hash[members.zip(values)]
-  end
-end unless Struct.instance_methods.include?(:to_h)
+require 'active_support/deprecation'
+
+ActiveSupport::Deprecation.warn("This file is deprecated and will be removed in Rails 5.1 with no replacement.")
diff --git a/activesupport/test/core_ext/struct_test.rb b/activesupport/test/core_ext/struct_test.rb
deleted file mode 100644
index 0dff7b32d2..0000000000
--- a/activesupport/test/core_ext/struct_test.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-require 'abstract_unit'
-require 'active_support/core_ext/struct'
-
-class StructExt < ActiveSupport::TestCase
-  def test_to_h
-    x = Struct.new(:foo, :bar)
-    z = x.new(1, 2)
-    assert_equal({ foo: 1, bar: 2 }, z.to_h)
-  end
-end