https://git.ruby-lang.org/ruby.git/commit/?id=373769c939

From 373769c93995abeeb546bdcd9e6527c77aefa1d4 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Mon, 18 Nov 2019 09:12:50 -0600
Subject: NEWS: Add an example for the warning of "yield in singleton class"


diff --git a/NEWS b/NEWS
index 6f740e4..ce462d5 100644
--- a/NEWS
+++ b/NEWS
@@ -188,6 +188,13 @@ sufficient information, see the ChangeLog file or Redmine https://github.com/ruby/ruby/blob/trunk/NEWS#L188
 
 * +yield+ in singleton class syntax is warned and will be deprecated later [Feature #15575].
 
+   def foo
+     class << Object.new
+       yield
+     end
+   end
+   foo { p :ok } #=> warning: `yield' in class syntax will not be supported from Ruby 3.0.
+
 * Argument forwarding by <code>(...)</code> is introduced. [Feature #16253]
 
     def foo(...)
-- 
cgit v0.10.2


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