module functions

module_functions.rb

#----------------------------------------------------------------------
module Util
  module StringFormatter
    
    module_function
    
    def prettry_string(string)
      "-> [#{string}] <-"
    end
  end
end

#----------------------------------------------------------------------
class Logger
  include Util::StringFormatter

  def log(msg)
    puts prettry_string(msg)
  end
end

#----------------------------------------------------------------------
def main
  puts Util::StringFormatter.prettry_string('from module')
  Logger.new.log('from class')
end

main()