From 50a9c5d7c704e84c6bdec9affa270824fed02034 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sat, 28 Apr 2018 11:24:26 +0900
Subject: Update the patch to not use `funcall` in C; ref #4013

---
 mrblib/enum.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'mrblib/enum.rb')

diff --git a/mrblib/enum.rb b/mrblib/enum.rb
index 20638f7e8..a97a26f97 100644
--- a/mrblib/enum.rb
+++ b/mrblib/enum.rb
@@ -333,4 +333,15 @@ module Enumerable
   #
   # ISO 15.3.2.2.20
   alias to_a entries
+
+  # redefine #hash 15.3.1.3.15
+  def hash
+    h = 12347
+    i = 0
+    self.each do |e|
+      h = __update_hash(h, i, e.hash)
+      i += 1
+    end
+    h
+  end
 end
-- 
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