From cdfac6bf79f5641476ea3ac0f151642bdec5dcf8 Mon Sep 17 00:00:00 2001
From: Robert Mosolgo <rdmosolgo@gmail.com>
Date: Tue, 13 Feb 2018 14:57:08 -0500
Subject: [PATCH 1/3] Use a specialized hash for no-typed-children

---
 lib/graphql/internal_representation/node.rb | 23 +++++++--------------
 1 file changed, 8 insertions(+), 15 deletions(-)

diff --git a/lib/graphql/internal_representation/node.rb b/lib/graphql/internal_representation/node.rb
index 3cd28311fd..3fe941ac8a 100644
--- a/lib/graphql/internal_representation/node.rb
+++ b/lib/graphql/internal_representation/node.rb
@@ -8,23 +8,16 @@ class Node
       # A specialized, reusable object for leaf nodes.
       # Behaves like a Hash, but doesn't copy itself.
       # @api private
-      class NoTypedChildren
-        CHILDREN = {}.freeze
-        def dup; self; end
-        def any?; false; end
-        def none?; true; end
-        def [](key); CHILDREN; end
-        def each; end
-
-        # Compatibility for when this was an Array:
-        def method_missing(method_name, *args, &block)
-          if CHILDREN.respond_to?(method_name)
-            CHILDREN.send(method_name, *args, &block)
-          else
-            raise NotImplementedError
-          end
+      class NoTypedChildren < Hash
+        def initialize
+          super
+          freeze
         end
+        CHILDREN = [].freeze
+        def [](k); CHILDREN; end
+        def dup; self; end
       end
+
       NO_TYPED_CHILDREN = NoTypedChildren.new
 
       # @return [String] the name this node has in the response

From 689cf1ace4f7049adf7719fc49885aeca54a14f2 Mon Sep 17 00:00:00 2001
From: Robert Mosolgo <rdmosolgo@gmail.com>
Date: Tue, 13 Feb 2018 15:03:07 -0500
Subject: [PATCH 2/3] Use a special hash instance

---
 lib/graphql/internal_representation/node.rb | 15 ++-------------
 1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/lib/graphql/internal_representation/node.rb b/lib/graphql/internal_representation/node.rb
index 3fe941ac8a..c27dd30a1f 100644
--- a/lib/graphql/internal_representation/node.rb
+++ b/lib/graphql/internal_representation/node.rb
@@ -6,19 +6,8 @@ class Node
       DEFAULT_TYPED_CHILDREN = Proc.new { |h, k| h[k] = {} }
 
       # A specialized, reusable object for leaf nodes.
-      # Behaves like a Hash, but doesn't copy itself.
-      # @api private
-      class NoTypedChildren < Hash
-        def initialize
-          super
-          freeze
-        end
-        CHILDREN = [].freeze
-        def [](k); CHILDREN; end
-        def dup; self; end
-      end
-
-      NO_TYPED_CHILDREN = NoTypedChildren.new
+      NO_TYPED_CHILDREN = Hash.new([].freeze).freeze
+      def NO_TYPED_CHILDREN.dup; self; end;
 
       # @return [String] the name this node has in the response
       attr_reader :name

From 510adc5f8b6fc4c208cf9aab72b1ade41dd95566 Mon Sep 17 00:00:00 2001
From: Robert Mosolgo <rdmosolgo@gmail.com>
Date: Tue, 13 Feb 2018 15:03:54 -0500
Subject: [PATCH 3/3] Freeze _after_ modifying the object, ya dummy

---
 lib/graphql/internal_representation/node.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/graphql/internal_representation/node.rb b/lib/graphql/internal_representation/node.rb
index c27dd30a1f..24d617380f 100644
--- a/lib/graphql/internal_representation/node.rb
+++ b/lib/graphql/internal_representation/node.rb
@@ -6,8 +6,9 @@ class Node
       DEFAULT_TYPED_CHILDREN = Proc.new { |h, k| h[k] = {} }
 
       # A specialized, reusable object for leaf nodes.
-      NO_TYPED_CHILDREN = Hash.new([].freeze).freeze
+      NO_TYPED_CHILDREN = Hash.new([].freeze)
       def NO_TYPED_CHILDREN.dup; self; end;
+      NO_TYPED_CHILDREN.freeze
 
       # @return [String] the name this node has in the response
       attr_reader :name