Accessing class from another module in Ruby on Rails

Modules in Ruby on Rails are not autoloadable in Ruby on Rails application.

Some hints on how to use a class from another module.

1. To make a module autoloadable the corresponding line should be commented out in application.rb

# Custom directories with classes and modules you want to be autoloadable.
# config.autoload_paths += %W(#{config.root}/extras)

2. Just use "::" before the class
3. Include the module in a code where the class is supposed to be used.