Introduce pattern matching [EXPERIMENTAL]
[ruby-core:87945] [Feature #14912]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67586 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Introduce pattern matching [EXPERIMENTAL]
[ruby-core:87945] [Feature #14912]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67586 b2dd03c8-39d4-4d8f-98ff-823fe69b080e