[rubygems/rubygems] Deprecate Gem::List

It is unused, we will remove it in the next major version

https://github.com/rubygems/rubygems/commit/c3f6c27d6d

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/rubygems/util/list.rb b/lib/rubygems/util/list.rb
index 33c40af4bb..fc2ab38c45 100644
--- a/lib/rubygems/util/list.rb
+++ b/lib/rubygems/util/list.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 module Gem
-  class List
+  # The Gem::List class is currently unused and will be removed in the next major rubygems version
+  class List # :nodoc:
     include Enumerable
     attr_accessor :value, :tail
 
@@ -34,4 +35,5 @@ module Gem
       List.new value, list
     end
   end
+  deprecate_constant :List
 end