Author
anonymous
over 6 years ago
Ruby
ruby 2.5.1
$ ruby prog.rb
"homuhomu" prog.rb:3:in `meth': undefined method `twice' for "homu":String (NoMethodError) from prog.rb:20:in `<main>'
"homuhomu"
prog.rb:3:in `meth': undefined method `twice' for "homu":String (NoMethodError) from prog.rb:20:in `<main>'