merge revision(s) 57421:
[DOC] Add empty example to enum.all? and any? [ci skip]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57871 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 57421:
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57871 b2dd03c8-39d4-4d8f-98ff-823fe69b080e