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

Today you can do it using module_function notation.

module TestFunctions
  def abc
    puts 123
  end
end

Now TestFunctions.abc prints "123"

A little more about module_function: https://apidock.com/ruby/Module/module_function