RubyKaigi 2017, September 18..20, Hiroshima, Japan #rubykaigiRuby Parser In IRB 20th Anniversary...Now Let Time Resume IRB has an internal Ruby code parser by pure Ruby. It's contributing greatly to some Ruby tools. A part of them is RDoc. RDoc uses forked Ruby parser of IRB. It is great works, but so legacy. The maintenance cost for new Ruby syntax continues to increase. For example, Ruby 2.1 supports new feature <visibility> def method definition, but RDo
