# It also works with MRB_NO_FLOAT. MRuby::GemBox.new do |conf| # Use standard IO/File class conf.gem :core => "mruby-io" # Use standard IO/File class conf.gem :core => "mruby-socket" # Use standard print/puts/p conf.gem :core => "mruby-print" # Use errno extension for a good mruby-io/mruby-socket experience conf.gem :core => "mruby-errno" # Use Dir class conf.gem :core => "mruby-dir" end