Rails: I can't call a function in a module in /lib - what am I doing wrong?

Question

I know I\'m doing something stupid or failing to do something intelligent - I\'m frequently guilty of both.

Here\'s an example of what\'s causing me pain:

I have

Answer 1

You need to prefix your function with the module name because modules are not classes:

Your /lib/test_functions.rb:

module TestFunctions
  def TestFunctions.abc
    puts 123
  end
end

Your code using the module method:

require 'test_functions'
TestFunctions.abc